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13512130152 = 2331633454021
BaseRepresentation
bin11001001010110001…
…01011111001101000
31021212200110022221220
430211120223321220
5210133101131102
610112443502040
7655562132313
oct144530537150
937780408856
1013512130152
115804277414
122751227920
1313745130b1
1492279b97a
155413b41bc
hex32562be68

13512130152 has 32 divisors (see below), whose sum is σ = 33987576480. Its totient is φ = 4476409920.

The previous prime is 13512130147. The next prime is 13512130201. The reversal of 13512130152 is 25103121531.

13512130152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135121301522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723099 + ... + 1730922.

It is an arithmetic number, because the mean of its divisors is an integer number (1062111765).

Almost surely, 213512130152 is an apocalyptic number.

13512130152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13512130152 is an abundant number, since it is smaller than the sum of its proper divisors (20475446328).

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

13512130152 is a wasteful number, since it uses less digits than its factorization.

13512130152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454193 (or 3454189 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 13512130152 its reverse (25103121531), we get a palindrome (38615251683).

The spelling of 13512130152 in words is "thirteen billion, five hundred twelve million, one hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 163 326 489 652 978 1304 1956 3912 3454021 6908042 10362063 13816084 20724126 27632168 41448252 82896504 563005423 1126010846 1689016269 2252021692 3378032538 4504043384 6756065076 13512130152