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30995933056 = 2711213115277
BaseRepresentation
bin11100110111100000…
…000110011110000000
32222000011022112200121
4130313200012132000
51001434424324211
622123410230024
72145052040524
oct346740063600
988004275617
1030995933056
111216643a300
126010585314
132bcc80a0ba
141700817d84
15c162a5271
hex737806780

30995933056 has 96 divisors (see below), whose sum is σ = 68396244840. Its totient is φ = 13980595200.

The previous prime is 30995933051. The next prime is 30995933063. The reversal of 30995933056 is 65033959903.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30995932994 and 30995933012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30995933051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2021290 + ... + 2036566.

Almost surely, 230995933056 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 30995933056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34198122420).

30995933056 is an abundant number, since it is smaller than the sum of its proper divisors (37400311784).

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

30995933056 is a wasteful number, since it uses less digits than its factorization.

30995933056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15444 (or 15421 counting only the distinct ones).

The product of its (nonzero) digits is 2952450, while the sum is 52.

The spelling of 30995933056 in words is "thirty billion, nine hundred ninety-five million, nine hundred thirty-three thousand, fifty-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 131 176 242 262 352 484 524 704 968 1048 1408 1441 1936 2096 2882 3872 4192 5764 7744 8384 11528 15277 15488 15851 16768 23056 30554 31702 46112 61108 63404 92224 122216 126808 168047 184448 244432 253616 336094 488864 507232 672188 977728 1014464 1344376 1848517 1955456 2001287 2028928 2688752 3697034 4002574 5377504 7394068 8005148 10755008 14788136 16010296 21510016 22014157 29576272 32020592 44028314 59152544 64041184 88056628 118305088 128082368 176113256 236610176 242155727 256164736 352226512 484311454 704453024 968622908 1408906048 1937245816 2817812096 3874491632 7748983264 15497966528 30995933056