Base | Representation |
---|---|
bin | 1110110111011… |
… | …01011110010101 |
3 | 22200122122122011 |
4 | 13123231132111 |
5 | 223411022121 |
6 | 20212504221 |
7 | 3042654304 |
oct | 733553625 |
9 | 280578564 |
10 | 124704661 |
11 | 64435504 |
12 | 3591b071 |
13 | 1cab3453 |
14 | 127c243b |
15 | ae347e1 |
hex | 76ed795 |
124704661 has 8 divisors (see below), whose sum is σ = 129671424. Its totient is φ = 119796960.
The previous prime is 124704647. The next prime is 124704691. The reversal of 124704661 is 166407421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 124704661 - 29 = 124704149 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124704631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10435 + ... + 18928.
It is an arithmetic number, because the mean of its divisors is an integer number (16208928).
Almost surely, 2124704661 is an apocalyptic number.
It is an amenable number.
124704661 is a deficient number, since it is larger than the sum of its proper divisors (4966763).
124704661 is a wasteful number, since it uses less digits than its factorization.
124704661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29531.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 124704661 is about 11167.1241150083. The cubic root of 124704661 is about 499.6059041252.
The spelling of 124704661 in words is "one hundred twenty-four million, seven hundred four thousand, six hundred sixty-one".
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