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30961055352 = 2331290043973
BaseRepresentation
bin11100110101011011…
…000011011001111000
32221220201200120110210
4130311123003121320
51001402012232402
622120122511120
72144146425333
oct346533033170
987821616423
1030961055352
1112148788157
1260009654a0
132bc5517bc6
1416d9d3961a
15c131b606c
hex7356c3678

30961055352 has 16 divisors (see below), whose sum is σ = 77402638440. Its totient is φ = 10320351776.

The previous prime is 30961055341. The next prime is 30961055353. The reversal of 30961055352 is 25355016903.

It is a self number, because there is not a number n which added to its sum of digits gives 30961055352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30961055353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645021963 + ... + 645022010.

Almost surely, 230961055352 is an apocalyptic number.

It is an amenable number.

30961055352 is an abundant number, since it is smaller than the sum of its proper divisors (46441583088).

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

30961055352 is a wasteful number, since it uses less digits than its factorization.

30961055352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290043982 (or 1290043978 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 39.

The spelling of 30961055352 in words is "thirty billion, nine hundred sixty-one million, fifty-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 1290043973 2580087946 3870131919 5160175892 7740263838 10320351784 15480527676 30961055352