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2150724972 = 2231116293371
BaseRepresentation
bin1000000000110001…
…0111010101101100
312112212222011000110
42000030113111230
513401041144342
6553225300020
7104203601124
oct20014272554
95485864013
102150724972
11a04034560
12500334610
1328376b236
141658d1c84
15c8c36c9c
hex8031756c

2150724972 has 24 divisors (see below), whose sum is σ = 5474572992. Its totient is φ = 651734800.

The previous prime is 2150724959. The next prime is 2150724997. The reversal of 2150724972 is 2794270512.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2150724972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8146554 + ... + 8146817.

It is an arithmetic number, because the mean of its divisors is an integer number (228107208).

Almost surely, 22150724972 is an apocalyptic number.

2150724972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2150724972 is an abundant number, since it is smaller than the sum of its proper divisors (3323848020).

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

2150724972 is a wasteful number, since it uses less digits than its factorization.

2150724972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16293389 (or 16293387 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2150724972 is about 46375.9093927009. The cubic root of 2150724972 is about 1290.8079332785.

The spelling of 2150724972 in words is "two billion, one hundred fifty million, seven hundred twenty-four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 16293371 32586742 48880113 65173484 97760226 179227081 195520452 358454162 537681243 716908324 1075362486 2150724972