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13000252906 = 27331886663
BaseRepresentation
bin11000001101110000…
…00001110111101010
31020120000021021101101
430012320001313222
5203111031043111
65550000312014
7640105216654
oct140670016752
936500237341
1013000252906
115571338473
12262991260a
1312c245cb54
148b47d36d4
155114a1bc1
hex306e01dea

13000252906 has 8 divisors (see below), whose sum is σ = 19503061344. Its totient is φ = 6499232460.

The previous prime is 13000252897. The next prime is 13000252931. The reversal of 13000252906 is 60925200031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130002529062 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428670 + ... + 457993.

It is an arithmetic number, because the mean of its divisors is an integer number (2437882668).

Almost surely, 213000252906 is an apocalyptic number.

13000252906 is a deficient number, since it is larger than the sum of its proper divisors (6502808438).

13000252906 is an equidigital number, since it uses as much as digits as its factorization.

13000252906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893996.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13000252906 its reverse (60925200031), we get a palindrome (73925452937).

The spelling of 13000252906 in words is "thirteen billion, two hundred fifty-two thousand, nine hundred six".

Divisors: 1 2 7331 14662 886663 1773326 6500126453 13000252906