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312028839942 = 23271133915657
BaseRepresentation
bin1001000101001100101…
…11100100000000000110
31002211101211022102001120
410202212113210000012
520103013340334232
6355202152534410
731354236243501
oct4424627440006
91084354272046
10312028839942
11110370166836
12505819b1406
1323568c50391
141116090a138
1581b372992c
hex48a65e4006

312028839942 has 32 divisors (see below), whose sum is σ = 624582365184. Its totient is φ = 103922212800.

The previous prime is 312028839883. The next prime is 312028839961. The reversal of 312028839942 is 249938820213.

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, 55155178 + ... + 55160834.

It is an arithmetic number, because the mean of its divisors is an integer number (19518198912).

Almost surely, 2312028839942 is an apocalyptic number.

312028839942 is an abundant number, since it is smaller than the sum of its proper divisors (312553525242).

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

312028839942 is a wasteful number, since it uses less digits than its factorization.

312028839942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 312028839942 in words is "three hundred twelve billion, twenty-eight million, eight hundred thirty-nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 2711 3391 5422 5657 6782 8133 10173 11314 16266 16971 20346 33942 9193001 15336127 18386002 19182887 27579003 30672254 38365774 46008381 55158006 57548661 92016762 115097322 52004806657 104009613314 156014419971 312028839942