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13060068390 = 2325145111871
BaseRepresentation
bin11000010100111000…
…01101010000100110
31020201011211012210200
430022130031100212
5203221334142030
65555534331330
7641432515065
oct141234152046
936634735720
1013060068390
1155a2082756
122645959b46
131301973b25
148bc7241dc
15516869d60
hex30a70d426

13060068390 has 24 divisors (see below), whose sum is σ = 33956178048. Its totient is φ = 3482684880.

The previous prime is 13060068353. The next prime is 13060068391. The reversal of 13060068390 is 9386006031.

It is a happy number.

13060068390 is a `hidden beast` number, since 13 + 0 + 600 + 6 + 8 + 39 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13060068391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72555846 + ... + 72556025.

It is an arithmetic number, because the mean of its divisors is an integer number (1414840752).

Almost surely, 213060068390 is an apocalyptic number.

13060068390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13060068390 is an abundant number, since it is smaller than the sum of its proper divisors (20896109658).

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

13060068390 is a wasteful number, since it uses less digits than its factorization.

13060068390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145111884 (or 145111881 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 13060068390 in words is "thirteen billion, sixty million, sixty-eight thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 145111871 290223742 435335613 725559355 870671226 1306006839 1451118710 2176678065 2612013678 4353356130 6530034195 13060068390