Base | Representation |
---|---|
bin | 110001101001011000… |
… | …0000010111111011111 |
3 | 101012012011222110111000 |
4 | 1203102300002333133 |
5 | 3221321421310011 |
6 | 120551150001343 |
7 | 10463006523342 |
oct | 1432260027737 |
9 | 335164873430 |
10 | 106615025631 |
11 | 41240447834 |
12 | 187b51a6253 |
13 | a0911352aa |
14 | 5235808459 |
15 | 2b8ed5c356 |
hex | 18d2c02fdf |
106615025631 has 16 divisors (see below), whose sum is σ = 164815499520. Its totient is φ = 67986392760.
The previous prime is 106615025611. The next prime is 106615025653. The reversal of 106615025631 is 136520516601.
106615025631 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 15 + 0 + 2 + 5 + 631 = 666.
It is not a de Polignac number, because 106615025631 - 217 = 106614894559 is a prime.
It is a super-2 number, since 2×1066150256312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106615025611) 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, 85840785 + ... + 85842026.
It is an arithmetic number, because the mean of its divisors is an integer number (10300968720).
Almost surely, 2106615025631 is an apocalyptic number.
106615025631 is a deficient number, since it is larger than the sum of its proper divisors (58200473889).
106615025631 is a wasteful number, since it uses less digits than its factorization.
106615025631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171682843 (or 171682837 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The spelling of 106615025631 in words is "one hundred six billion, six hundred fifteen million, twenty-five thousand, six hundred thirty-one".
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