Base | Representation |
---|---|
bin | 11000001110111010… |
… | …10011110000111011 |
3 | 1020120200122202220110 |
4 | 30013131103300323 |
5 | 203121031304111 |
6 | 5550545555403 |
7 | 640254251406 |
oct | 140735236073 |
9 | 36520582813 |
10 | 13010025531 |
11 | 5576902818 |
12 | 2631045b63 |
13 | 12c44a2079 |
14 | 8b5c18d3d |
15 | 5122825a6 |
hex | 307753c3b |
13010025531 has 8 divisors (see below), whose sum is σ = 17347714384. Its totient is φ = 8672843520.
The previous prime is 13010025451. The next prime is 13010025541. The reversal of 13010025531 is 13552001031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13010025531 - 218 = 13009763387 is a prime.
It is a super-2 number, since 2×130100255312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13010025498 and 13010025507.
It is not an unprimeable number, because it can be changed into a prime (13010025541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62110 + ... + 172851.
It is an arithmetic number, because the mean of its divisors is an integer number (2168464298).
Almost surely, 213010025531 is an apocalyptic number.
13010025531 is a deficient number, since it is larger than the sum of its proper divisors (4337688853).
13010025531 is a wasteful number, since it uses less digits than its factorization.
13010025531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253421.
The product of its (nonzero) digits is 450, while the sum is 21.
Adding to 13010025531 its reverse (13552001031), we get a palindrome (26562026562).
The spelling of 13010025531 in words is "thirteen billion, ten million, twenty-five thousand, five hundred thirty-one".
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