Base | Representation |
---|---|
bin | 11000010101001011… |
… | …00001000010111011 |
3 | 1020201100102012022200 |
4 | 30022211201002323 |
5 | 203223000234411 |
6 | 10000102521243 |
7 | 641462330556 |
oct | 141245410273 |
9 | 36640365280 |
10 | 13062508731 |
11 | 55a349a168 |
12 | 2646736223 |
13 | 130231980c |
14 | 8bcb9b69d |
15 | 516b9ce56 |
hex | 30a9610bb |
13062508731 has 12 divisors (see below), whose sum is σ = 18874957608. Its totient is φ = 8705159424.
The previous prime is 13062508691. The next prime is 13062508741. The reversal of 13062508731 is 13780526031.
It is not a de Polignac number, because 13062508731 - 219 = 13061984443 is a prime.
It is a super-2 number, since 2×130625087312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13062508741) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238825 + ... + 288378.
It is an arithmetic number, because the mean of its divisors is an integer number (1572913134).
Almost surely, 213062508731 is an apocalyptic number.
13062508731 is a deficient number, since it is larger than the sum of its proper divisors (5812448877).
13062508731 is a wasteful number, since it uses less digits than its factorization.
13062508731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 529962 (or 529959 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The spelling of 13062508731 in words is "thirteen billion, sixty-two million, five hundred eight thousand, seven hundred thirty-one".
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