Base | Representation |
---|---|
bin | 11100000110110110001101… |
… | …11110101100001010101001 |
3 | 22002211210001001112010111000 |
4 | 32003123012332230022221 |
5 | 31100130103413241131 |
6 | 335242055421225213 |
7 | 16006321551064164 |
oct | 1603330676541251 |
9 | 262753031463430 |
10 | 61807917712041 |
11 | 1876a655245a66 |
12 | 6b22956702209 |
13 | 2864600284bb7 |
14 | 113973a8acadb |
15 | 722b7479ece6 |
hex | 3836c6fac2a9 |
61807917712041 has 16 divisors (see below), whose sum is σ = 91567471515520. Its totient is φ = 41205194767440.
The previous prime is 61807917711997. The next prime is 61807917712043. The reversal of 61807917712041 is 14021771970816.
61807917712041 is a `hidden beast` number, since 618 + 0 + 7 + 9 + 1 + 7 + 7 + 12 + 0 + 4 + 1 = 666.
It is not a de Polignac number, because 61807917712041 - 210 = 61807917711017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61807917712043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13063551 + ... + 17154363.
It is an arithmetic number, because the mean of its divisors is an integer number (5722966969720).
Almost surely, 261807917712041 is an apocalyptic number.
It is an amenable number.
61807917712041 is a deficient number, since it is larger than the sum of its proper divisors (29759553803479).
61807917712041 is a wasteful number, since it uses less digits than its factorization.
61807917712041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4650413 (or 4650407 counting only the distinct ones).
The product of its (nonzero) digits is 1185408, while the sum is 54.
The spelling of 61807917712041 in words is "sixty-one trillion, eight hundred seven billion, nine hundred seventeen million, seven hundred twelve thousand, forty-one".
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