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312408068568 = 23331817409121
BaseRepresentation
bin1001000101111001111…
…10001101000111011000
31002212101020220012221020
410202330332031013120
520104302431143233
6355303541042440
731366522524351
oct4427476150730
91085336805836
10312408068568
11110545234922
12506689b6420
13235c969b40b
1411199024d28
1581d6b889b3
hex48bcf8d1d8

312408068568 has 32 divisors (see below), whose sum is σ = 781046627760. Its totient is φ = 104132495360.

The previous prime is 312408068563. The next prime is 312408068573. The reversal of 312408068568 is 865860804213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312408068563) and next prime (312408068573).

It is a self number, because there is not a number n which added to its sum of digits gives 312408068568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312408068563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559048 + ... + 968168.

Almost surely, 2312408068568 is an apocalyptic number.

It is an amenable number.

312408068568 is an abundant number, since it is smaller than the sum of its proper divisors (468638559192).

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

312408068568 is a wasteful number, since it uses less digits than its factorization.

312408068568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440947 (or 440943 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 312408068568 in words is "three hundred twelve billion, four hundred eight million, sixty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 31817 63634 95451 127268 190902 254536 381804 409121 763608 818242 1227363 1636484 2454726 3272968 4909452 9818904 13017002857 26034005714 39051008571 52068011428 78102017142 104136022856 156204034284 312408068568