Base | Representation |
---|---|
bin | 101111111011011001… |
… | …1110100110101111011 |
3 | 100211200000121012100011 |
4 | 1133312303310311323 |
5 | 3141242301404411 |
6 | 115141052322351 |
7 | 10302402211030 |
oct | 1376663646573 |
9 | 324600535304 |
10 | 102925028731 |
11 | 3a71754a518 |
12 | 17b454733b7 |
13 | 9923804785 |
14 | 4da570d387 |
15 | 2a25e1ec21 |
hex | 17f6cf4d7b |
102925028731 has 16 divisors (see below), whose sum is σ = 118029336768. Its totient is φ = 87921417600.
The previous prime is 102925028729. The next prime is 102925028741. The reversal of 102925028731 is 137820529201.
It is a cyclic number.
It is not a de Polignac number, because 102925028731 - 21 = 102925028729 is a prime.
It is a super-2 number, since 2×1029250287312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102925028741) 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, 2452101 + ... + 2493721.
It is an arithmetic number, because the mean of its divisors is an integer number (7376833548).
Almost surely, 2102925028731 is an apocalyptic number.
102925028731 is a deficient number, since it is larger than the sum of its proper divisors (15104308037).
102925028731 is an equidigital number, since it uses as much as digits as its factorization.
102925028731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42822.
The product of its (nonzero) digits is 60480, while the sum is 40.
The spelling of 102925028731 in words is "one hundred two billion, nine hundred twenty-five million, twenty-eight thousand, seven hundred thirty-one".
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