Base | Representation |
---|---|
bin | 11000111011000110… |
… | …00010000110010001 |
3 | 1021112112000011111202 |
4 | 30131203002012101 |
5 | 204400414443120 |
6 | 10051425120545 |
7 | 652404301613 |
oct | 143543020621 |
9 | 37475004452 |
10 | 13380624785 |
11 | 57470174a0 |
12 | 2715189155 |
13 | 13531bb378 |
14 | 90d128db3 |
15 | 534a89875 |
hex | 31d8c2191 |
13380624785 has 16 divisors (see below), whose sum is σ = 18278040960. Its totient is φ = 9308259840.
The previous prime is 13380624773. The next prime is 13380624793. The reversal of 13380624785 is 58742608331.
It is not a de Polignac number, because 13380624785 - 24 = 13380624769 is a prime.
It is a super-2 number, since 2×133806247852 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5287520 + ... + 5290049.
It is an arithmetic number, because the mean of its divisors is an integer number (1142377560).
Almost surely, 213380624785 is an apocalyptic number.
It is an amenable number.
13380624785 is a deficient number, since it is larger than the sum of its proper divisors (4897416175).
13380624785 is a wasteful number, since it uses less digits than its factorization.
13380624785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10577608.
The product of its (nonzero) digits is 967680, while the sum is 47.
The spelling of 13380624785 in words is "thirteen billion, three hundred eighty million, six hundred twenty-four thousand, seven hundred eighty-five".
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