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318120470940 = 22355302007849
BaseRepresentation
bin1001010000100010111…
…01010010100110011100
31010102010100210022211110
410220101131102212130
520203002320032230
6402050441422020
731661215246566
oct4502135224634
91112110708743
10318120470940
11112a06792318
12517a1a9a910
1323cc9cbc56c
141157b96c336
15841d4124b0
hex4a1175299c

318120470940 has 24 divisors (see below), whose sum is σ = 890737318800. Its totient is φ = 84832125568.

The previous prime is 318120470911. The next prime is 318120470963. The reversal of 318120470940 is 49074021813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651003865 + ... + 2651003984.

It is an arithmetic number, because the mean of its divisors is an integer number (37114054950).

Almost surely, 2318120470940 is an apocalyptic number.

318120470940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

318120470940 is an abundant number, since it is smaller than the sum of its proper divisors (572616847860).

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

318120470940 is a wasteful number, since it uses less digits than its factorization.

318120470940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302007861 (or 5302007859 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 318120470940 in words is "three hundred eighteen billion, one hundred twenty million, four hundred seventy thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5302007849 10604015698 15906023547 21208031396 26510039245 31812047094 53020078490 63624094188 79530117735 106040156980 159060235470 318120470940