Search a number
-
+
157994948160 = 263257174371151
BaseRepresentation
bin1001001100100100111…
…0111001011001000000
3120002210221100221221200
42103021032321121000
510042033201320120
6200325404021200
714262155621010
oct2231116713100
9502727327850
10157994948160
1161007036025
1226754231800
1311b8ba4400a
14790b501c40
15419a92ce90
hex24c93b9640

157994948160 has 1344 divisors, whose sum is σ = 686893768704. Its totient is φ = 32514048000.

The previous prime is 157994948129. The next prime is 157994948171. The reversal of 157994948160 is 61849499751.

157994948160 is a `hidden beast` number, since 1 + 5 + 7 + 9 + 9 + 494 + 81 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1046324085 + ... + 1046324235.

Almost surely, 2157994948160 is an apocalyptic number.

157994948160 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 157994948160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343446884352).

157994948160 is an abundant number, since it is smaller than the sum of its proper divisors (528898820544).

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

157994948160 is a wasteful number, since it uses less digits than its factorization.

157994948160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 157994948160 in words is "one hundred fifty-seven billion, nine hundred ninety-four million, nine hundred forty-eight thousand, one hundred sixty".