Base | Representation |
---|---|
bin | 1011000100101111… |
… | …1100111111100010 |
3 | 21200011122211122210 |
4 | 2301023330333202 |
5 | 22042002410032 |
6 | 1210551142550 |
7 | 133444352502 |
oct | 26113747742 |
9 | 7604584583 |
10 | 2972700642 |
11 | 1296014a9a |
12 | 6ab674a56 |
13 | 384b46882 |
14 | 202b3ba02 |
15 | 125ea02cc |
hex | b12fcfe2 |
2972700642 has 64 divisors (see below), whose sum is σ = 6275543040. Its totient is φ = 936950784.
The previous prime is 2972700641. The next prime is 2972700673. The reversal of 2972700642 is 2460072792.
It is a self number, because there is not a number n which added to its sum of digits gives 2972700642.
It is not an unprimeable number, because it can be changed into a prime (2972700641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6365293 + ... + 6365759.
It is an arithmetic number, because the mean of its divisors is an integer number (98055360).
Almost surely, 22972700642 is an apocalyptic number.
2972700642 is an abundant number, since it is smaller than the sum of its proper divisors (3302842398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2972700642 is a wasteful number, since it uses less digits than its factorization.
2972700642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 927.
The product of its (nonzero) digits is 84672, while the sum is 39.
The square root of 2972700642 is about 54522.4783185798. The cubic root of 2972700642 is about 1437.8615123232.
The spelling of 2972700642 in words is "two billion, nine hundred seventy-two million, seven hundred thousand, six hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •