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13213001230 = 25111353174337
BaseRepresentation
bin11000100111000111…
…00110011000001110
31021002211121000012221
430103203212120032
5204030012014410
610023040245554
7645300441322
oct142343463016
937084530187
1013213001230
115670438430
1226890108ba
13132755b930
148d4b73982
15524ec84da
hex3138e660e

13213001230 has 64 divisors (see below), whose sum is σ = 28468698048. Its totient is φ = 4351426560.

The previous prime is 13213001183. The next prime is 13213001237. The reversal of 13213001230 is 3210031231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213001237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11379 + ... + 162958.

It is an arithmetic number, because the mean of its divisors is an integer number (444823407).

Almost surely, 213213001230 is an apocalyptic number.

13213001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213001230 is an abundant number, since it is smaller than the sum of its proper divisors (15255696818).

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

13213001230 is a wasteful number, since it uses less digits than its factorization.

13213001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174421.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13213001230 its reverse (3210031231), we get a palindrome (16423032461).

The spelling of 13213001230 in words is "thirteen billion, two hundred thirteen million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 53 55 65 106 110 130 143 265 286 530 583 689 715 1166 1378 1430 2915 3445 5830 6890 7579 15158 37895 75790 174337 348674 871685 1743370 1917707 2266381 3835414 4532762 9239861 9588535 11331905 18479722 19177070 22663810 24930191 46199305 49860382 92398610 101638471 120118193 124650955 203276942 240236386 249301910 508192355 600590965 1016384710 1201181930 1321300123 2642600246 6606500615 13213001230