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312110400344020 = 225102142113629671
BaseRepresentation
bin100011011110111001101110…
…1100010110000111111010100
31111221002110111102202020202221
41012331303131202300333110
5311402104044442002040
63023445312152512124
7122512142451106555
oct10675633542607724
91457073442666687
10312110400344020
11904a2306324863
122b0091056ab644
131051cb66223645
14571031c84c32c
152613a93aa774a
hex11bdcdd8b0fd4

312110400344020 has 48 divisors (see below), whose sum is σ = 656229772388736. Its totient is φ = 124692231312000.

The previous prime is 312110400344011. The next prime is 312110400344021. The reversal of 312110400344020 is 20443004011213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312110400344021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84173785 + ... + 87803455.

It is an arithmetic number, because the mean of its divisors is an integer number (13671453591432).

Almost surely, 2312110400344020 is an apocalyptic number.

It is an amenable number.

312110400344020 is an abundant number, since it is smaller than the sum of its proper divisors (344119372044716).

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

312110400344020 is a wasteful number, since it uses less digits than its factorization.

312110400344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634912 (or 3634910 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312110400344020 its reverse (20443004011213), we get a palindrome (332553404355233).

The spelling of 312110400344020 in words is "three hundred twelve trillion, one hundred ten billion, four hundred million, three hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 1021 2042 4084 4211 5105 8422 10210 16844 20420 21055 42110 84220 3629671 4299431 7259342 8598862 14518684 17197724 18148355 21497155 36296710 42994310 72593420 85988620 3705894091 7411788182 14823576364 15284544581 18529470455 30569089162 37058940910 61138178324 74117881820 76422722905 152845445810 305690891620 15605520017201 31211040034402 62422080068804 78027600086005 156055200172010 312110400344020