Search a number
-
+
159897900960 = 25345717199521
BaseRepresentation
bin1001010011101010101…
…0000101011110100000
3120021201120002222110000
42110322222011132200
510104432330312320
6201242302540000
714360263506240
oct2247252053640
9507646088400
10159897900960
11618a3218696
1226ba5597600
131210306c8a5
147a4c137b20
15425ca20c90
hex253aa857a0

159897900960 has 960 divisors, whose sum is σ = 687606796800. Its totient is φ = 34159656960.

The previous prime is 159897900919. The next prime is 159897900983. The reversal of 159897900960 is 69009798951.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 159 ways as a sum of consecutive naturals, for example, 306905500 + ... + 306906020.

It is an arithmetic number, because the mean of its divisors is an integer number (716257080).

Almost surely, 2159897900960 is an apocalyptic number.

159897900960 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 159897900960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343803398400).

159897900960 is an abundant number, since it is smaller than the sum of its proper divisors (527708895840).

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

159897900960 is a wasteful number, since it uses less digits than its factorization.

159897900960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 63.

The spelling of 159897900960 in words is "one hundred fifty-nine billion, eight hundred ninety-seven million, nine hundred thousand, nine hundred sixty".