Base | Representation |
---|---|
bin | 111010001101010010… |
… | …1001010010100100001 |
3 | 102221122110112222011022 |
4 | 1310122211022110201 |
5 | 4022000000011201 |
6 | 133231343455225 |
7 | 12013421322134 |
oct | 1643245122441 |
9 | 387573488138 |
10 | 125000000801 |
11 | 49015272795 |
12 | 202862b7515 |
13 | ba31046420 |
14 | 609b40821b |
15 | 33b8e0c41b |
hex | 1d1a94a521 |
125000000801 has 16 divisors (see below), whose sum is σ = 137034229248. Its totient is φ = 113317185600.
The previous prime is 125000000747. The next prime is 125000000813. The reversal of 125000000801 is 108000000521.
It is a cyclic number.
It is not a de Polignac number, because 125000000801 - 218 = 124999738657 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125000000801.
It is not an unprimeable number, because it can be changed into a prime (125000006801) 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, 391256 + ... + 634886.
It is an arithmetic number, because the mean of its divisors is an integer number (8564639328).
Almost surely, 2125000000801 is an apocalyptic number.
It is an amenable number.
125000000801 is a deficient number, since it is larger than the sum of its proper divisors (12034228447).
125000000801 is a wasteful number, since it uses less digits than its factorization.
125000000801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244352.
The product of its (nonzero) digits is 80, while the sum is 17.
The spelling of 125000000801 in words is "one hundred twenty-five billion, eight hundred one", and thus it is an aban number.
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