Base | Representation |
---|---|
bin | 10101111001011111… |
… | …110000100100111110 |
3 | 2020200200020120120110 |
4 | 111321133300210332 |
5 | 341123340030204 |
6 | 14445105330450 |
7 | 1461451642143 |
oct | 257137604476 |
9 | 66620216513 |
10 | 23513205054 |
11 | 9a76655a79 |
12 | 4682636a26 |
13 | 22a94b88b1 |
14 | 11d0b203ca |
15 | 9293d5889 |
hex | 5797f093e |
23513205054 has 16 divisors (see below), whose sum is σ = 47270072592. Its totient is φ = 7797124608.
The previous prime is 23513204989. The next prime is 23513205103. The reversal of 23513205054 is 45050231532.
It is a super-2 number, since 2×235132050542 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151349 + ... + 10153664.
It is an arithmetic number, because the mean of its divisors is an integer number (2954379537).
Almost surely, 223513205054 is an apocalyptic number.
23513205054 is an abundant number, since it is smaller than the sum of its proper divisors (23756867538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23513205054 is a wasteful number, since it uses less digits than its factorization.
23513205054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20305211.
The product of its (nonzero) digits is 18000, while the sum is 30.
Adding to 23513205054 its reverse (45050231532), we get a palindrome (68563436586).
The spelling of 23513205054 in words is "twenty-three billion, five hundred thirteen million, two hundred five thousand, fifty-four".
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