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20115962480976 = 24337151188939709
BaseRepresentation
bin1001001001011100111001…
…10011000100100101010000
32122020001211000022220021120
410210232130303010211100
510114034442343342401
6110441051240322240
74144221205604535
oct444563463044520
978201730286246
1020115962480976
11645614a44237a
12230a737173380
13b2bc08b7119b
144d7891284d8c
1524d3e0654836
hex124b9ccc4950

20115962480976 has 160 divisors (see below), whose sum is σ = 53753972025600. Its totient is φ = 6477296025600.

The previous prime is 20115962480969. The next prime is 20115962481023. The reversal of 20115962480976 is 67908426951102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506564610 + ... + 506604318.

It is an arithmetic number, because the mean of its divisors is an integer number (335962325160).

Almost surely, 220115962480976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20115962480976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26876986012800).

20115962480976 is an abundant number, since it is smaller than the sum of its proper divisors (33638009544624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20115962480976 is a wasteful number, since it uses less digits than its factorization.

20115962480976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41797 (or 41791 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 20115962480976 in words is "twenty trillion, one hundred fifteen billion, nine hundred sixty-two million, four hundred eighty thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 151 222 296 302 444 453 592 604 888 906 1208 1776 1812 1889 2416 3624 3778 5587 5667 7248 7556 11174 11334 15112 16761 22348 22668 30224 33522 39709 44696 45336 67044 69893 79418 89392 90672 119127 134088 139786 158836 209679 238254 268176 279572 285239 317672 419358 476508 559144 570478 635344 838716 855717 953016 1118288 1140956 1469233 1677432 1711434 1906032 2281912 2938466 3354864 3422868 4407699 4563824 5876932 5996059 6845736 8815398 10553843 11753864 11992118 13691472 17630796 17988177 21107686 23507728 23984236 31661529 35261592 35976354 42215372 47968472 63323058 70523184 71952708 75010301 84430744 95936944 126646116 143905416 150020602 168861488 221854183 225030903 253292232 287810832 300041204 443708366 450061806 506584464 600082408 665562549 887416732 900123612 1200164816 1331125098 1774833464 1800247224 2662250196 2775381137 3549666928 3600494448 5324500392 5550762274 8326143411 10649000784 11101524548 11326555451 16652286822 22203049096 22653110902 33304573644 33979666353 44406098192 45306221804 66609147288 67959332706 90612443608 133218294576 135918665412 181224887216 271837330824 419082551687 543674661648 838165103374 1257247655061 1676330206748 2514495310122 3352660413496 5028990620244 6705320826992 10057981240488 20115962480976