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30489771006136 = 231361239115117471
BaseRepresentation
bin1101110111010111100111…
…11110000101100010111000
310222221210102120020202002001
412323223303332011202320
512444021022334144021
6144502450223350344
76264545643301201
oct673536376054270
9128853376222061
1030489771006136
119795703959012
1235051567523b4
131402233303520
147759d9c7c5a8
1537d1978b9091
hex1bbaf3f858b8

30489771006136 has 128 divisors (see below), whose sum is σ = 62895174451200. Its totient is φ = 13770832320000.

The previous prime is 30489771006127. The next prime is 30489771006139. The reversal of 30489771006136 is 63160017798403.

It is a super-2 number, since 2×304897710061362 (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30489771006139) 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, 1745155881 + ... + 1745173351.

It is an arithmetic number, because the mean of its divisors is an integer number (491368550400).

Almost surely, 230489771006136 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 30489771006136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31447587225600).

30489771006136 is an abundant number, since it is smaller than the sum of its proper divisors (32405403445064).

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

30489771006136 is a wasteful number, since it uses less digits than its factorization.

30489771006136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18941 (or 18937 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 30489771006136 in words is "thirty trillion, four hundred eighty-nine billion, seven hundred seventy-one million, six thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 61 104 122 239 244 478 488 793 956 1151 1586 1912 2302 3107 3172 4604 6214 6344 9208 12428 14579 14963 17471 24856 29158 29926 34942 58316 59852 69884 70211 116632 119704 139768 140422 189527 227123 275089 280844 379054 454246 550178 561688 758108 908492 912743 1065731 1100356 1516216 1816984 1825486 2131462 2200712 3576157 3650972 4175569 4262924 7152314 7301944 8351138 8525848 13854503 14304628 16702276 16780429 20109121 27709006 28609256 33404552 33560858 40218242 54282397 55418012 67121716 80436484 108564794 110836024 134243432 160872968 217129588 218145577 254709709 261418573 434259176 436291154 509419418 522837146 872582308 1018838836 1045674292 1226656381 1745164616 2037677672 2091348584 2453312762 3311226217 4806079919 4906625524 6622452434 9612159838 9813251048 13244904868 15946532953 19224319676 26489809736 31893065906 38448639352 62479038947 63786131812 124958077894 127572263624 249916155788 293170875059 499832311576 586341750118 1172683500236 2345367000472 3811221375767 7622442751534 15244885503068 30489771006136