Base | Representation |
---|---|
bin | 10011001100101110… |
… | …100011110110100101 |
3 | 1222012200001112121112 |
4 | 103030232203312211 |
5 | 314204321023400 |
6 | 13245322554405 |
7 | 1326564302360 |
oct | 231456436645 |
9 | 58180045545 |
10 | 20614626725 |
11 | 88194681a0 |
12 | 3bb3968a05 |
13 | 1c36b24ca4 |
14 | dd7b990d7 |
15 | 809bc7835 |
hex | 4ccba3da5 |
20614626725 has 96 divisors (see below), whose sum is σ = 32516418816. Its totient is φ = 12592742400.
The previous prime is 20614626679. The next prime is 20614626733. The reversal of 20614626725 is 52762641602.
It is not a de Polignac number, because 20614626725 - 26 = 20614626661 is a prime.
It is a super-2 number, since 2×206146267252 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21099437 + ... + 21100413.
It is an arithmetic number, because the mean of its divisors is an integer number (338712696).
Almost surely, 220614626725 is an apocalyptic number.
20614626725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20614626725 is a deficient number, since it is larger than the sum of its proper divisors (11901792091).
20614626725 is a wasteful number, since it uses less digits than its factorization.
20614626725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1215 (or 1210 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 41.
The spelling of 20614626725 in words is "twenty billion, six hundred fourteen million, six hundred twenty-six thousand, seven hundred twenty-five".
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