Base | Representation |
---|---|
bin | 11000011100101010… |
… | …11110011010010110 |
3 | 1020212201210001001222 |
4 | 30032111132122112 |
5 | 203340101200002 |
6 | 10010231050342 |
7 | 643155110516 |
oct | 141625363226 |
9 | 36781701058 |
10 | 13125412502 |
11 | 5625a53754 |
12 | 26638109b2 |
13 | 1312372397 |
14 | 8c7293846 |
15 | 51c4761a2 |
hex | 30e55e696 |
13125412502 has 8 divisors (see below), whose sum is σ = 19737217512. Its totient is φ = 6546340000.
The previous prime is 13125412501. The next prime is 13125412511. The reversal of 13125412502 is 20521452131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×131254125024 (a number of 42 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13125412501) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8182124 + ... + 8183727.
It is an arithmetic number, because the mean of its divisors is an integer number (2467152189).
Almost surely, 213125412502 is an apocalyptic number.
13125412502 is a deficient number, since it is larger than the sum of its proper divisors (6611805010).
13125412502 is a wasteful number, since it uses less digits than its factorization.
13125412502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16366254.
The product of its (nonzero) digits is 2400, while the sum is 26.
Adding to 13125412502 its reverse (20521452131), we get a palindrome (33646864633).
The spelling of 13125412502 in words is "thirteen billion, one hundred twenty-five million, four hundred twelve thousand, five hundred two".
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