Base | Representation |
---|---|
bin | 111000111011101100… |
… | …100011110101100010 |
3 | 12211210022220120110102 |
4 | 320323230203311202 |
5 | 2000144024012020 |
6 | 44025551102402 |
7 | 4262612412101 |
oct | 707354436542 |
9 | 184708816412 |
10 | 61131079010 |
11 | 23a1a99a501 |
12 | ba20811a02 |
13 | 59c2ba0001 |
14 | 2d5cba2038 |
15 | 18cbbc7475 |
hex | e3bb23d62 |
61131079010 has 32 divisors (see below), whose sum is σ = 110775358512. Its totient is φ = 24288226560.
The previous prime is 61131079001. The next prime is 61131079049. The reversal of 61131079010 is 1097013116.
It is a Cunningham number, because it is equal to 2472472+1.
It can be written as a sum of positive squares in 8 ways, for example, as 22007425801 + 39123653209 = 148349^2 + 197797^2 .
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, 6484100 + ... + 6493520.
Almost surely, 261131079010 is an apocalyptic number.
61131079010 is a deficient number, since it is larger than the sum of its proper divisors (49644279502).
61131079010 is a wasteful number, since it uses less digits than its factorization.
61131079010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13718.
The product of its (nonzero) digits is 1134, while the sum is 29.
The spelling of 61131079010 in words is "sixty-one billion, one hundred thirty-one million, seventy-nine thousand, ten".
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