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312313113012 = 22326026092751
BaseRepresentation
bin1001000101101110100…
…11111110100110110100
31002212010122012222101210
410202313103332212310
520104104124104022
6355250305521420
731364260442115
oct4426723764664
91085118188353
10312313113012
111104a667935a
1250641043270
13235b2b029b4
141118a58820c
1581cd67da0c
hex48b74fe9b4

312313113012 has 12 divisors (see below), whose sum is σ = 728730597056. Its totient is φ = 104104371000.

The previous prime is 312313113011. The next prime is 312313113031. The reversal of 312313113012 is 210311313213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 312313113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312313113011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13013046364 + ... + 13013046387.

Almost surely, 2312313113012 is an apocalyptic number.

It is an amenable number.

312313113012 is an abundant number, since it is smaller than the sum of its proper divisors (416417484044).

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

312313113012 is a wasteful number, since it uses less digits than its factorization.

312313113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026092758 (or 26026092756 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312313113012 its reverse (210311313213), we get a palindrome (522624426225).

The spelling of 312313113012 in words is "three hundred twelve billion, three hundred thirteen million, one hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 26026092751 52052185502 78078278253 104104371004 156156556506 312313113012