Base | Representation |
---|---|
bin | 11001011000110110… |
… | …11110111100011111 |
3 | 1022011220211012001020 |
4 | 30230123132330133 |
5 | 210403324212111 |
6 | 10132304415223 |
7 | 661525446501 |
oct | 145433367437 |
9 | 38156735036 |
10 | 13630304031 |
11 | 5864a51183 |
12 | 2784917513 |
13 | 1392b4aa76 |
14 | 93435dd71 |
15 | 54b958906 |
hex | 32c6def1f |
13630304031 has 8 divisors (see below), whose sum is σ = 18223259904. Its totient is φ = 9062108760.
The previous prime is 13630304003. The next prime is 13630304057. The reversal of 13630304031 is 13040303631.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13630304031 - 210 = 13630303007 is a prime.
It is a super-2 number, since 2×136303040312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13630303992 and 13630304010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13630306031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6188865 + ... + 6191066.
It is an arithmetic number, because the mean of its divisors is an integer number (2277907488).
Almost surely, 213630304031 is an apocalyptic number.
13630304031 is a deficient number, since it is larger than the sum of its proper divisors (4592955873).
13630304031 is a wasteful number, since it uses less digits than its factorization.
13630304031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12380301.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 13630304031 its reverse (13040303631), we get a palindrome (26670607662).
The spelling of 13630304031 in words is "thirteen billion, six hundred thirty million, three hundred four thousand, thirty-one".
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