Search a number
-
+
150291985788 = 22337198798923
BaseRepresentation
bin1000101111111000011…
…0011011010101111100
3112100221002212221002000
42023332012123111330
54430244222021123
6153013154502300
713600242541530
oct2137606332574
9470832787060
10150291985788
11588139a941a
1225164594990
1311231c02509
1473ba479bc0
153d99558b43
hex22fe19b57c

150291985788 has 48 divisors (see below), whose sum is σ = 445309589760. Its totient is φ = 42940567152.

The previous prime is 150291985771. The next prime is 150291985819. The reversal of 150291985788 is 887589192051.

150291985788 is a `hidden beast` number, since 1 + 50 + 2 + 9 + 1 + 9 + 8 + 578 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99398706 + ... + 99400217.

It is an arithmetic number, because the mean of its divisors is an integer number (9277283120).

Almost surely, 2150291985788 is an apocalyptic number.

150291985788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

150291985788 is an abundant number, since it is smaller than the sum of its proper divisors (295017603972).

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

150291985788 is a wasteful number, since it uses less digits than its factorization.

150291985788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198798943 (or 198798935 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 63.

The spelling of 150291985788 in words is "one hundred fifty billion, two hundred ninety-one million, nine hundred eighty-five thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 198798923 397597846 596396769 795195692 1192793538 1391592461 1789190307 2385587076 2783184922 3578380614 4174777383 5367570921 5566369844 7156761228 8349554766 10735141842 12524332149 16699109532 21470283684 25048664298 37572996447 50097328596 75145992894 150291985788