Base | Representation |
---|---|
bin | 11001011000101100… |
… | …01100011011111001 |
3 | 1022011211012202002010 |
4 | 30230112030123321 |
5 | 210403000324442 |
6 | 10132215000133 |
7 | 661510613226 |
oct | 145426143371 |
9 | 38154182063 |
10 | 13628917497 |
11 | 5864194488 |
12 | 2784369049 |
13 | 1392783930 |
14 | 9340bc94d |
15 | 54b782b9c |
hex | 32c58c6f9 |
13628917497 has 64 divisors (see below), whose sum is σ = 20336476160. Its totient is φ = 8066822400.
The previous prime is 13628917483. The next prime is 13628917579. The reversal of 13628917497 is 79471982631.
It is a happy number.
It is not a de Polignac number, because 13628917497 - 24 = 13628917481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13628917397) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23868222 + ... + 23868792.
It is an arithmetic number, because the mean of its divisors is an integer number (317757440).
Almost surely, 213628917497 is an apocalyptic number.
It is an amenable number.
13628917497 is a deficient number, since it is larger than the sum of its proper divisors (6707558663).
13628917497 is a wasteful number, since it uses less digits than its factorization.
13628917497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854.
The product of its digits is 4572288, while the sum is 57.
The spelling of 13628917497 in words is "thirteen billion, six hundred twenty-eight million, nine hundred seventeen thousand, four hundred ninety-seven".
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