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13660104252 = 22347127190709
BaseRepresentation
bin11001011100011010…
…01010011000111100
31022020222220012021010
430232031022120330
5210433441314002
610135251235220
7662336653554
oct145615123074
938228805233
1013660104252
11587a855563
1227928a8b10
131399082b32
149382ba164
1554e39346c
hex32e34a63c

13660104252 has 48 divisors (see below), whose sum is σ = 32808222720. Its totient is φ = 4421374272.

The previous prime is 13660104229. The next prime is 13660104253. The reversal of 13660104252 is 25240106631.

13660104252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660104253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23727 + ... + 166982.

It is an arithmetic number, because the mean of its divisors is an integer number (683504640).

Almost surely, 213660104252 is an apocalyptic number.

13660104252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13660104252 is an abundant number, since it is smaller than the sum of its proper divisors (19148118468).

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

13660104252 is a wasteful number, since it uses less digits than its factorization.

13660104252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190890 (or 190888 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 13660104252 in words is "thirteen billion, six hundred sixty million, one hundred four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 47 94 127 141 188 254 282 381 508 564 762 1524 5969 11938 17907 23876 35814 71628 190709 381418 572127 762836 1144254 2288508 8963323 17926646 24220043 26889969 35853292 48440086 53779938 72660129 96880172 107559876 145320258 290640516 1138342021 2276684042 3415026063 4553368084 6830052126 13660104252