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13531200553 = 133559292459
BaseRepresentation
bin11001001101000010…
…11011110000101001
31021221000100012122001
430212201123300221
5210202441404203
610114404331001
7656213210203
oct144641336051
937830305561
1013531200553
115814012282
1227576a3a61
13137845c360
14925123773
15542dce91d
hex32685bc29

13531200553 has 8 divisors (see below), whose sum is σ = 14576206400. Its totient is φ = 12486786768.

The previous prime is 13531200547. The next prime is 13531200559. The reversal of 13531200553 is 35500213531.

It is an interprime number because it is at equal distance from previous prime (13531200547) and next prime (13531200559).

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

It is a cyclic number.

It is not a de Polignac number, because 13531200553 - 217 = 13531069481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531200559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99963 + ... + 192496.

It is an arithmetic number, because the mean of its divisors is an integer number (1822025800).

Almost surely, 213531200553 is an apocalyptic number.

13531200553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13531200553 is a deficient number, since it is larger than the sum of its proper divisors (1045005847).

13531200553 is a wasteful number, since it uses less digits than its factorization.

13531200553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296031.

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 13531200553 in words is "thirteen billion, five hundred thirty-one million, two hundred thousand, five hundred fifty-three".

Divisors: 1 13 3559 46267 292459 3801967 1040861581 13531200553