Base | Representation |
---|---|
bin | 101011111001110000… |
… | …101011010111100010 |
3 | 11111200021011002201012 |
4 | 223321300223113202 |
5 | 1233020312212130 |
6 | 33353352540522 |
7 | 3256113023363 |
oct | 537160532742 |
9 | 144607132635 |
10 | 47139960290 |
11 | 18aa0307975 |
12 | 91770b1742 |
13 | 45a3380737 |
14 | 23d295bb6a |
15 | 135d74a995 |
hex | af9c2b5e2 |
47139960290 has 32 divisors (see below), whose sum is σ = 85222211184. Its totient is φ = 18773770240.
The previous prime is 47139960269. The next prime is 47139960319. The reversal of 47139960290 is 9206993174.
It can be written as a sum of positive squares in 8 ways, for example, as 29005836721 + 18134123569 = 170311^2 + 134663^2 .
It is a super-2 number, since 2×471399602902 (a number of 22 digits) contains 22 as substring.
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, 9663332 + ... + 9668208.
Almost surely, 247139960290 is an apocalyptic number.
47139960290 is a deficient number, since it is larger than the sum of its proper divisors (38082250894).
47139960290 is a wasteful number, since it uses less digits than its factorization.
47139960290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8902.
The product of its (nonzero) digits is 734832, while the sum is 50.
The spelling of 47139960290 in words is "forty-seven billion, one hundred thirty-nine million, nine hundred sixty thousand, two hundred ninety".
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