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318970091412 = 22327192361103461
BaseRepresentation
bin1001010010001000001…
…10010101011110010100
31010111022120111112000100
410221010012111132110
520211222320411122
6402311032014100
732021243020320
oct4510406253624
91114276445010
10318970091412
111133023347a5
125199a531330
1324104026b7b
141161c732980
15846ccdbaac
hex4a44195794

318970091412 has 576 divisors, whose sum is σ = 1040973373440. Its totient is φ = 80266982400.

The previous prime is 318970091371. The next prime is 318970091441. The reversal of 318970091412 is 214190079813.

318970091412 is a `hidden beast` number, since 3 + 1 + 89 + 70 + 0 + 91 + 412 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 691908862 + ... + 691909322.

It is an arithmetic number, because the mean of its divisors is an integer number (1807245440).

Almost surely, 2318970091412 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 318970091412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520486686720).

318970091412 is an abundant number, since it is smaller than the sum of its proper divisors (722003282028).

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

318970091412 is a wasteful number, since it uses less digits than its factorization.

318970091412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 318970091412 in words is "three hundred eighteen billion, nine hundred seventy million, ninety-one thousand, four hundred twelve".