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312412444214213 = 7211356422691749
BaseRepresentation
bin100011100001000110011000…
…0110000101100001111000101
31111222011100010101120122100002
41013002030300300230033011
5311422031141204323323
63024240143501131045
7122543024414461400
oct10702146060541705
91458140111518302
10312412444214213
11905a9412201a82
122b05775b559a85
13105424a06198a5
145720bb31c8d37
15261b8708e2828
hex11c2330c2c3c5

312412444214213 has 12 divisors (see below), whose sum is σ = 366634650991500. Its totient is φ = 265412341982592.

The previous prime is 312412444214203. The next prime is 312412444214407.

312412444214213 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 38789005398724 + 273623438815489 = 6228082^2 + 16541567^2 .

It is not a de Polignac number, because 312412444214213 - 24 = 312412444214197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412444214203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28211340338 + ... + 28211351411.

It is an arithmetic number, because the mean of its divisors is an integer number (30552887582625).

Almost surely, 2312412444214213 is an apocalyptic number.

It is an amenable number.

312412444214213 is a deficient number, since it is larger than the sum of its proper divisors (54222206777287).

312412444214213 is a wasteful number, since it uses less digits than its factorization.

312412444214213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56422691876 (or 56422691869 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The spelling of 312412444214213 in words is "three hundred twelve trillion, four hundred twelve billion, four hundred forty-four million, two hundred fourteen thousand, two hundred thirteen".

Divisors: 1 7 49 113 791 5537 56422691749 394958842243 2764711895701 6375764167637 44630349173459 312412444214213