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13520351230 = 251425194873
BaseRepresentation
bin11001001011110000…
…00010111111111110
31021220020221000011021
430211320002333332
5210142202214410
610113340014354
7656022042421
oct144570027776
937806830137
1013520351230
115808981aa1
122753b313ba
131376131039
149238db9b8
15541e89eda
hex325e02ffe

13520351230 has 16 divisors (see below), whose sum is σ = 24338596464. Its totient is φ = 5407704000.

The previous prime is 13520351167. The next prime is 13520351267. The reversal of 13520351230 is 3215302531.

It is a junction number, because it is equal to n+sod(n) for n = 13520351195 and 13520351204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95074 + ... + 189946.

It is an arithmetic number, because the mean of its divisors is an integer number (1521162279).

Almost surely, 213520351230 is an apocalyptic number.

13520351230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13520351230 is a deficient number, since it is larger than the sum of its proper divisors (10818245234).

13520351230 is a wasteful number, since it uses less digits than its factorization.

13520351230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109131.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13520351230 its reverse (3215302531), we get a palindrome (16735653761).

The spelling of 13520351230 in words is "thirteen billion, five hundred twenty million, three hundred fifty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 14251 28502 71255 94873 142510 189746 474365 948730 1352035123 2704070246 6760175615 13520351230