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30347936941 = 719673339049
BaseRepresentation
bin11100010000111000…
…001100010010101101
32220022222222221010111
4130100320030102231
5444123032440231
621535221340021
72123023131160
oct342070142255
986288887114
1030347936941
111196368a223
125a6b567611
132b284a824a
14167c739ad7
15bc94564b1
hex710e0c4ad

30347936941 has 16 divisors (see below), whose sum is σ = 36563152000. Its totient is φ = 24606747648.

The previous prime is 30347936939. The next prime is 30347936959. The reversal of 30347936941 is 14963974303.

It is not a de Polignac number, because 30347936941 - 21 = 30347936939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347936341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80016 + ... + 259033.

It is an arithmetic number, because the mean of its divisors is an integer number (2285197000).

Almost surely, 230347936941 is an apocalyptic number.

It is an amenable number.

30347936941 is a deficient number, since it is larger than the sum of its proper divisors (6215215059).

30347936941 is a wasteful number, since it uses less digits than its factorization.

30347936941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339748.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The spelling of 30347936941 in words is "thirty billion, three hundred forty-seven million, nine hundred thirty-six thousand, nine hundred forty-one".

Divisors: 1 7 19 133 673 4711 12787 89509 339049 2373343 6441931 45093517 228179977 1597259839 4335419563 30347936941