Search a number
-
+
456751949880 = 233534711879241
BaseRepresentation
bin1101010010110001000…
…10011010100000111000
31121122221211101010121110
412221120202122200320
524440411444344010
6545455015240320
744666511341562
oct6513042324070
91548854333543
10456751949880
11166786628316
12746313790a0
13340c11a4c85
141816d520332
15bd33e0b120
hex6a5889a838

456751949880 has 128 divisors (see below), whose sum is σ = 1375511258880. Its totient is φ = 121334062080.

The previous prime is 456751949851. The next prime is 456751949881. The reversal of 456751949880 is 88949157654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456751949881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49422060 + ... + 49431300.

It is an arithmetic number, because the mean of its divisors is an integer number (10746181710).

Almost surely, 2456751949880 is an apocalyptic number.

456751949880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 456751949880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687755629440).

456751949880 is an abundant number, since it is smaller than the sum of its proper divisors (918759309000).

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

456751949880 is a wasteful number, since it uses less digits than its factorization.

456751949880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10789 (or 10785 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 456751949880 in words is "four hundred fifty-six billion, seven hundred fifty-one million, nine hundred forty-nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 347 694 1041 1187 1388 1735 2082 2374 2776 3470 3561 4164 4748 5205 5935 6940 7122 8328 9241 9496 10410 11870 13880 14244 17805 18482 20820 23740 27723 28488 35610 36964 41640 46205 47480 55446 71220 73928 92410 110892 138615 142440 184820 221784 277230 369640 411889 554460 823778 1108920 1235667 1647556 2059445 2471334 3206627 3295112 4118890 4942668 6178335 6413254 8237780 9619881 9885336 10969067 12356670 12826508 16033135 16475560 19239762 21938134 24713340 25653016 32066270 32907201 38479524 43876268 48099405 49426680 54845335 64132540 65814402 76959048 87752536 96198810 109690670 128265080 131628804 164536005 192397620 219381340 263257608 329072010 384795240 438762680 658144020 1316288040 3806266249 7612532498 11418798747 15225064996 19031331245 22837597494 30450129992 38062662490 45675194988 57093993735 76125324980 91350389976 114187987470 152250649960 228375974940 456751949880