Base | Representation |
---|---|
bin | 1110110000110010100… |
… | …1101000110010001101 |
3 | 220020121212221201212012 |
4 | 3230030221220302031 |
5 | 13123401004441023 |
6 | 312302000151005 |
7 | 24215552404010 |
oct | 3541451506215 |
9 | 806555851765 |
10 | 253615312013 |
11 | 98615260718 |
12 | 4119b308465 |
13 | 1abba0a067b |
14 | c3bca29377 |
15 | 68e5402978 |
hex | 3b0ca68c8d |
253615312013 has 8 divisors (see below), whose sum is σ = 291048753600. Its totient is φ = 216482541120.
The previous prime is 253615311991. The next prime is 253615312037. The reversal of 253615312013 is 310213516352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253615312013 - 214 = 253615295629 is a prime.
It is a super-2 number, since 2×2536153120132 (a number of 24 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 (253615312913) 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, 75165863 + ... + 75169236.
It is an arithmetic number, because the mean of its divisors is an integer number (36381094200).
Almost surely, 2253615312013 is an apocalyptic number.
It is an amenable number.
253615312013 is a deficient number, since it is larger than the sum of its proper divisors (37433441587).
253615312013 is a wasteful number, since it uses less digits than its factorization.
253615312013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150335347.
The product of its (nonzero) digits is 16200, while the sum is 32.
Adding to 253615312013 its reverse (310213516352), we get a palindrome (563828828365).
The spelling of 253615312013 in words is "two hundred fifty-three billion, six hundred fifteen million, three hundred twelve thousand, thirteen".
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