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318918652052 = 227111379650013
BaseRepresentation
bin1001010010000010000…
…10000111000010010100
31010111011222201010110212
410221001002013002110
520211121133331202
6402301553304552
732020046546330
oct4510102070224
91114158633425
10318918652052
111132862a0630
1251985265158
13240c6486590
14116159827c0
15846852a652
hex4a41087094

318918652052 has 48 divisors (see below), whose sum is σ = 749347331712. Its totient is φ = 114696017280.

The previous prime is 318918652033. The next prime is 318918652061. The reversal of 318918652052 is 250256819813.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39821003 + ... + 39829010.

It is an arithmetic number, because the mean of its divisors is an integer number (15611402744).

Almost surely, 2318918652052 is an apocalyptic number.

It is an amenable number.

318918652052 is an abundant number, since it is smaller than the sum of its proper divisors (430428679660).

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

318918652052 is a wasteful number, since it uses less digits than its factorization.

318918652052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79650048 (or 79650046 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 318918652052 in words is "three hundred eighteen billion, nine hundred eighteen million, six hundred fifty-two thousand, fifty-two".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 79650013 159300026 318600052 557550091 876150143 1035450169 1115100182 1752300286 2070900338 2230200364 3504600572 4141800676 6133051001 7248151183 11389951859 12266102002 14496302366 22779903718 24532204004 28992604732 45559807436 79729663013 159459326026 318918652052