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13125306070 = 2531143929423
BaseRepresentation
bin11000011100101010…
…00100011011010110
31020212201120122002001
430032111010123112
5203340034243240
610010224505514
7643154155312
oct141625043326
936781518061
1013125306070
115625990798
12266377b29a
131312335ac6
148c7266b42
1551c45489a
hex30e5446d6

13125306070 has 32 divisors (see below), whose sum is σ = 24405442560. Its totient is φ = 5077060320.

The previous prime is 13125306053. The next prime is 13125306071. The reversal of 13125306070 is 7060352131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125306071) 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, 431379 + ... + 460801.

It is an arithmetic number, because the mean of its divisors is an integer number (762670080).

Almost surely, 213125306070 is an apocalyptic number.

13125306070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13125306070 is a deficient number, since it is larger than the sum of its proper divisors (11280136490).

13125306070 is a wasteful number, since it uses less digits than its factorization.

13125306070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30900.

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 13125306070 in words is "thirteen billion, one hundred twenty-five million, three hundred six thousand, seventy".

Divisors: 1 2 5 10 31 62 155 310 1439 2878 7195 14390 29423 44609 58846 89218 147115 223045 294230 446090 912113 1824226 4560565 9121130 42339697 84679394 211698485 423396970 1312530607 2625061214 6562653035 13125306070