Search a number
-
+
13957538850720 = 253356317511463
BaseRepresentation
bin1100101100011011111000…
…1001010010011110100000
31211102022211212210002011000
43023012332021102132200
53312140014421210340
645404001013152000
72640253552501323
oct313067611223640
954368755702130
1013957538850720
1144a13a4899783
12169509362b600
137a326202594a
143637970847ba
15193103311d30
hexcb1be2527a0

13957538850720 has 192 divisors, whose sum is σ = 48859214826240. Its totient is φ = 3721413878784.

The previous prime is 13957538850659. The next prime is 13957538850721. The reversal of 13957538850720 is 2705883575931.

13957538850720 is a `hidden beast` number, since 1 + 3 + 9 + 5 + 75 + 38 + 8 + 507 + 20 = 666.

It is not an unprimeable number, because it can be changed into a prime (13957538850721) 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, 27033709 + ... + 27545171.

It is an arithmetic number, because the mean of its divisors is an integer number (254475077220).

Almost surely, 213957538850720 is an apocalyptic number.

13957538850720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13957538850720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24429607413120).

13957538850720 is an abundant number, since it is smaller than the sum of its proper divisors (34901675975520).

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

13957538850720 is a wasteful number, since it uses less digits than its factorization.

13957538850720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517804 (or 517790 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 13957538850720 in words is "thirteen trillion, nine hundred fifty-seven billion, five hundred thirty-eight million, eight hundred fifty thousand, seven hundred twenty".