Base | Representation |
---|---|
bin | 111001101000100100… |
… | …101000001000110001 |
3 | 12220201210121121111012 |
4 | 321220210220020301 |
5 | 2003214244133233 |
6 | 44232404200305 |
7 | 4320354046556 |
oct | 715044501061 |
9 | 186653547435 |
10 | 61883974193 |
11 | 24276987828 |
12 | bbb0999095 |
13 | 5ab2b6c512 |
14 | 2dd0b88a2d |
15 | 1922d47548 |
hex | e68928231 |
61883974193 has 8 divisors (see below), whose sum is σ = 62531294112. Its totient is φ = 61237931616.
The previous prime is 61883974183. The next prime is 61883974211. The reversal of 61883974193 is 39147938816.
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 61883974193 - 226 = 61816865329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61883974183) 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, 221780 + ... + 415877.
It is an arithmetic number, because the mean of its divisors is an integer number (7816411764).
Almost surely, 261883974193 is an apocalyptic number.
It is an amenable number.
61883974193 is a deficient number, since it is larger than the sum of its proper divisors (647319919).
61883974193 is a wasteful number, since it uses less digits than its factorization.
61883974193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 638671.
The product of its digits is 7838208, while the sum is 59.
The spelling of 61883974193 in words is "sixty-one billion, eight hundred eighty-three million, nine hundred seventy-four thousand, one hundred ninety-three".
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