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8938320912 = 2432352717599
BaseRepresentation
bin10000101001100001…
…11111010000010000
3212001221000202012200
420110300333100100
5121301202232122
64034535123200
7434333321433
oct102460772020
925057022180
108938320912
1138774a3884
121895513500
13ac5a65cb1
1460b15b81a
15374a965ac
hex214c3f410

8938320912 has 60 divisors (see below), whose sum is σ = 25023398400. Its totient is φ = 2978426304.

The previous prime is 8938320889. The next prime is 8938320931. The reversal of 8938320912 is 2190238398.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499089 + ... + 516687.

It is an arithmetic number, because the mean of its divisors is an integer number (417056640).

Almost surely, 28938320912 is an apocalyptic number.

It is an amenable number.

8938320912 is an abundant number, since it is smaller than the sum of its proper divisors (16085077488).

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

8938320912 is a wasteful number, since it uses less digits than its factorization.

8938320912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140 (or 21131 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 8938320912 is about 94542.6935939526. The cubic root of 8938320912 is about 2075.3211608763.

The spelling of 8938320912 in words is "eight billion, nine hundred thirty-eight million, three hundred twenty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3527 7054 10581 14108 17599 21162 28216 31743 35198 42324 52797 56432 63486 70396 84648 105594 126972 140792 158391 169296 211188 253944 281584 316782 422376 507888 633564 844752 1267128 2534256 62071673 124143346 186215019 248286692 372430038 496573384 558645057 744860076 993146768 1117290114 1489720152 2234580228 2979440304 4469160456 8938320912