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13065670930 = 2513100505161
BaseRepresentation
bin11000010101100011…
…00101000100010010
31020201120100212001011
430022301211010102
5203224302432210
610000254401134
7641531241034
oct141261450422
936646325034
1013065670930
1155a5259a54
1226478001aa
131302b85c40
148bd381c54
155170c4d8a
hex30ac65112

13065670930 has 16 divisors (see below), whose sum is σ = 25327300824. Its totient is φ = 4824247680.

The previous prime is 13065670913. The next prime is 13065670931. The reversal of 13065670930 is 3907656031.

It can be written as a sum of positive squares in 4 ways, for example, as 4059091521 + 9006579409 = 63711^2 + 94903^2 .

It is not an unprimeable number, because it can be changed into a prime (13065670931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50252451 + ... + 50252710.

Almost surely, 213065670930 is an apocalyptic number.

13065670930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13065670930 is a deficient number, since it is larger than the sum of its proper divisors (12261629894).

13065670930 is a wasteful number, since it uses less digits than its factorization.

13065670930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100505181.

The product of its (nonzero) digits is 102060, while the sum is 40.

The spelling of 13065670930 in words is "thirteen billion, sixty-five million, six hundred seventy thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 100505161 201010322 502525805 1005051610 1306567093 2613134186 6532835465 13065670930