Base | Representation |
---|---|
bin | 111111111001100110… |
… | …0010100100001010010 |
3 | 111010012101022111121200 |
4 | 1333303030110201102 |
5 | 4222013331020232 |
6 | 143012340132030 |
7 | 12625353300312 |
oct | 1776314244122 |
9 | 433171274550 |
10 | 137224079442 |
11 | 53218462a1a |
12 | 22718097016 |
13 | cc2b745c58 |
14 | 68daab5442 |
15 | 388219177c |
hex | 1ff3314852 |
137224079442 has 18 divisors (see below), whose sum is σ = 297322244037. Its totient is φ = 45740835936.
The previous prime is 137224079387. The next prime is 137224079459. The reversal of 137224079442 is 244970422731.
137224079442 is a `hidden beast` number, since 137 + 2 + 2 + 4 + 0 + 79 + 442 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 99692379081 + 37531700361 = 315741^2 + 193731^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=261939.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 1527978 + ... + 1615290.
Almost surely, 2137224079442 is an apocalyptic number.
137224079442 is an abundant number, since it is smaller than the sum of its proper divisors (160098164595).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137224079442 is an frugal number, since it uses more digits than its factorization.
137224079442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174634 (or 87318 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
The spelling of 137224079442 in words is "one hundred thirty-seven billion, two hundred twenty-four million, seventy-nine thousand, four hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •