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31064160532 = 224124619893
BaseRepresentation
bin11100111011100100…
…010111100100010100
32222011220200212012011
4130323210113210110
51002104411114112
622134244434004
72146541002456
oct347344274424
988156625164
1031064160532
11121a09aa649
12602b3a8904
132c109a7ba2
1417098d82d6
15c1c280aa7
hex73b917914

31064160532 has 18 divisors (see below), whose sum is σ = 55720541534. Its totient is φ = 15153245760.

The previous prime is 31064160511. The next prime is 31064160563. The reversal of 31064160532 is 23506146013.

It can be written as a sum of positive squares in 3 ways, for example, as 7362326416 + 23701834116 = 85804^2 + 153954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31064160494 and 31064160503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2303223 + ... + 2316670.

Almost surely, 231064160532 is an apocalyptic number.

It is an amenable number.

31064160532 is a deficient number, since it is larger than the sum of its proper divisors (24656381002).

31064160532 is a wasteful number, since it uses less digits than its factorization.

31064160532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619979 (or 4619936 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

It can be divided in two parts, 310641 and 60532, that added together give a palindrome (371173).

The spelling of 31064160532 in words is "thirty-one billion, sixty-four million, one hundred sixty thousand, five hundred thirty-two".

Divisors: 1 2 4 41 82 164 1681 3362 6724 4619893 9239786 18479572 189415613 378831226 757662452 7766040133 15532080266 31064160532