Base | Representation |
---|---|
bin | 11001011000110100… |
… | …00110000010110111 |
3 | 1022011220010200112201 |
4 | 30230122012002313 |
5 | 210403231034040 |
6 | 10132252525331 |
7 | 661522402045 |
oct | 145432060267 |
9 | 38156120481 |
10 | 13629939895 |
11 | 5864822640 |
12 | 2784780847 |
13 | 1392a510c0 |
14 | 9342a7395 |
15 | 54b8d5a9a |
hex | 32c6860b7 |
13629939895 has 16 divisors (see below), whose sum is σ = 19215356832. Its totient is φ = 9150168960.
The previous prime is 13629939893. The next prime is 13629939899. The reversal of 13629939895 is 59893992631.
It is not a de Polignac number, because 13629939895 - 21 = 13629939893 is a prime.
It is a super-2 number, since 2×136299398952 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13629939893) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9530712 + ... + 9532141.
It is an arithmetic number, because the mean of its divisors is an integer number (1200959802).
Almost surely, 213629939895 is an apocalyptic number.
13629939895 is a deficient number, since it is larger than the sum of its proper divisors (5585416937).
13629939895 is a wasteful number, since it uses less digits than its factorization.
13629939895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19062882.
The product of its digits is 28343520, while the sum is 64.
The spelling of 13629939895 in words is "thirteen billion, six hundred twenty-nine million, nine hundred thirty-nine thousand, eight hundred ninety-five".
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