Base | Representation |
---|---|
bin | 10011000110110110… |
… | …00111110110111001 |
3 | 222110220012211120100 |
4 | 21203123013312321 |
5 | 132002021122144 |
6 | 4413520150013 |
7 | 512126316420 |
oct | 114333076671 |
9 | 28426184510 |
10 | 10257989049 |
11 | 4394405000 |
12 | 1ba3468309 |
13 | c76299309 |
14 | 6d451c2b7 |
15 | 40086e269 |
hex | 2636c7db9 |
10257989049 has 96 divisors (see below), whose sum is σ = 18899232768. Its totient is φ = 5250722400.
The previous prime is 10257989047. The next prime is 10257989051. The reversal of 10257989049 is 94098975201.
It is an interprime number because it is at equal distance from previous prime (10257989047) and next prime (10257989051).
It is not a de Polignac number, because 10257989049 - 21 = 10257989047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10257988986 and 10257989004.
It is not an unprimeable number, because it can be changed into a prime (10257989047) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5952702 + ... + 5954424.
It is an arithmetic number, because the mean of its divisors is an integer number (196867008).
Almost surely, 210257989049 is an apocalyptic number.
It is an amenable number.
10257989049 is a deficient number, since it is larger than the sum of its proper divisors (8641243719).
10257989049 is a wasteful number, since it uses less digits than its factorization.
10257989049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1840 (or 1815 counting only the distinct ones).
The product of its (nonzero) digits is 1632960, while the sum is 54.
The spelling of 10257989049 in words is "ten billion, two hundred fifty-seven million, nine hundred eighty-nine thousand, forty-nine".
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