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315112896177408 = 28327229893373209
BaseRepresentation
bin100011110100101111111000…
…0001111011010010100000000
31112022201111110112100222222200
41013221133300033122110000
5312300302202410134113
63034104511022433200
7123242104215440100
oct10751376017322400
91468644415328880
10315112896177408
119144a6a0a0905a
122b412ba7432800
13106aa031b54324
1457b578cdcd200
152666c224a2873
hex11e97f03da500

315112896177408 has 1296 divisors, whose sum is σ = 1109237657346000. Its totient is φ = 85669227528192.

The previous prime is 315112896177407. The next prime is 315112896177433. The reversal of 315112896177408 is 804771698211513.

315112896177408 is a `hidden beast` number, since 3 + 1 + 5 + 1 + 1 + 2 + 8 + 9 + 617 + 7 + 4 + 0 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 18028787745024 + 297084108432384 = 4246032^2 + 17236128^2 .

It is a super-2 number, since 2×3151128961774082 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315112896177407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 98196600508 + ... + 98196603716.

It is an arithmetic number, because the mean of its divisors is an integer number (855893254125).

It is a 2-persistent number, because it is pandigital, and so is 2⋅315112896177408 = 630225792354816, but 3⋅315112896177408 = 945338688532224 is not.

Almost surely, 2315112896177408 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 315112896177408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554618828673000).

315112896177408 is an abundant number, since it is smaller than the sum of its proper divisors (794124761168592).

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

315112896177408 is a wasteful number, since it uses less digits than its factorization.

315112896177408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 315112896177408 in words is "three hundred fifteen trillion, one hundred twelve billion, eight hundred ninety-six million, one hundred seventy-seven thousand, four hundred eight".