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3105723840612 = 2231811429891271
BaseRepresentation
bin101101001100011011100…
…100001111100001100100
3101222220102020022211220120
4231030123210033201210
5401341010300344422
610334425544201540
7440244506034411
oct55143344174144
911886366284816
103105723840612
11a98148161a68
12421ab07692b0
13196b3a136b83
14aa4641db108
1555bc121645c
hex2d31b90f864

3105723840612 has 24 divisors (see below), whose sum is σ = 7286725922112. Its totient is φ = 1029521714400.

The previous prime is 3105723840599. The next prime is 3105723840719. The reversal of 3105723840612 is 2160483275013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714943464 + ... + 714947807.

It is an arithmetic number, because the mean of its divisors is an integer number (303613580088).

Almost surely, 23105723840612 is an apocalyptic number.

It is an amenable number.

3105723840612 is an abundant number, since it is smaller than the sum of its proper divisors (4181002081500).

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

3105723840612 is a wasteful number, since it uses less digits than its factorization.

3105723840612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429891459 (or 1429891457 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 3105723840612 in words is "three trillion, one hundred five billion, seven hundred twenty-three million, eight hundred forty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 181 362 543 724 1086 2172 1429891271 2859782542 4289673813 5719565084 8579347626 17158695252 258810320051 517620640102 776430960153 1035241280204 1552861920306 3105723840612