Base | Representation |
---|---|
bin | 111001101011000010… |
… | …100110000110001010 |
3 | 12220211200112110212110 |
4 | 321223002212012022 |
5 | 2003310344301321 |
6 | 44240443523150 |
7 | 4321366040562 |
oct | 715302460612 |
9 | 186750473773 |
10 | 61925384586 |
11 | 242982a0a9a |
12 | 100028294b6 |
13 | 5abb60b000 |
14 | 2dd6487da2 |
15 | 19267c7176 |
hex | e6b0a618a |
61925384586 has 32 divisors (see below), whose sum is σ = 134166997440. Its totient is φ = 19053960432.
The previous prime is 61925384561. The next prime is 61925384603. The reversal of 61925384586 is 68548352916.
It is a super-2 number, since 2×619253845862 (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, 2335680 + ... + 2362043.
It is an arithmetic number, because the mean of its divisors is an integer number (4192718670).
Almost surely, 261925384586 is an apocalyptic number.
61925384586 is an abundant number, since it is smaller than the sum of its proper divisors (72241612854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61925384586 is a wasteful number, since it uses less digits than its factorization.
61925384586 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4697767 (or 4697741 counting only the distinct ones).
The product of its digits is 12441600, while the sum is 57.
The spelling of 61925384586 in words is "sixty-one billion, nine hundred twenty-five million, three hundred eighty-four thousand, five hundred eighty-six".
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