Base | Representation |
---|---|
bin | 10010110111001110… |
… | …11001101000011111 |
3 | 222010202201101110100 |
4 | 21123213121220133 |
5 | 131220002133410 |
6 | 4352520312143 |
7 | 505645664523 |
oct | 113347315037 |
9 | 28122641410 |
10 | 10126989855 |
11 | 4327470404 |
12 | 1b67612653 |
13 | c550c0ab8 |
14 | 6c0d7bd83 |
15 | 3e40e48c0 |
hex | 25b9d9a1f |
10126989855 has 72 divisors (see below), whose sum is σ = 17997859152. Its totient is φ = 5267179008.
The previous prime is 10126989853. The next prime is 10126989857. The reversal of 10126989855 is 55898962101.
It is an interprime number because it is at equal distance from previous prime (10126989853) and next prime (10126989857).
It is not a de Polignac number, because 10126989855 - 21 = 10126989853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10126989853) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30050247 + ... + 30050583.
It is an arithmetic number, because the mean of its divisors is an integer number (249970266).
Almost surely, 210126989855 is an apocalyptic number.
10126989855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10126989855 is a deficient number, since it is larger than the sum of its proper divisors (7870869297).
10126989855 is a wasteful number, since it uses less digits than its factorization.
10126989855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613 (or 531 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 54.
The spelling of 10126989855 in words is "ten billion, one hundred twenty-six million, nine hundred eighty-nine thousand, eight hundred fifty-five".
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