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31063702912418 = 21123582772
BaseRepresentation
bin1110001000000100101001…
…11110100011110110100010
311001222122211212101102121202
413010002110332203312202
513032421430421144133
6150022245040121202
76354164342100041
oct704022476436642
9131878755342552
1031063702912418
119997051512a00
12359842b306202
1314443aa3683b7
147956c3d84558
1538d088dd22e8
hex1c4094fa3da2

31063702912418 has 18 divisors (see below), whose sum is σ = 51216744035793. Its totient is φ = 14119825549720.

The previous prime is 31063702912399. The next prime is 31063702912433. The reversal of 31063702912418 is 81421920736013.

It can be written as a sum of positive squares in 2 ways, for example, as 30972642004249 + 91060908169 = 5565307^2 + 301763^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=3941047.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 86523896 + ... + 86882172.

Almost surely, 231063702912418 is an apocalyptic number.

31063702912418 is a deficient number, since it is larger than the sum of its proper divisors (20153041123375).

31063702912418 is an frugal number, since it uses more digits than its factorization.

31063702912418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716578 (or 358290 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 31063702912418 in words is "thirty-one trillion, sixty-three billion, seven hundred two million, nine hundred twelve thousand, four hundred eighteen".

Divisors: 1 2 11 22 121 242 358277 716554 3941047 7882094 43351517 86703034 128362408729 256724817458 1411986496019 2823972992038 15531851456209 31063702912418