Base | Representation |
---|---|
bin | 10101100010010110… |
… | …111111110011001100 |
3 | 2012200121211100102212 |
4 | 111202112333303030 |
5 | 334330002012030 |
6 | 14342401405552 |
7 | 1446026346530 |
oct | 254226776314 |
9 | 65617740385 |
10 | 23125032140 |
11 | 9897528a11 |
12 | 45946398b8 |
13 | 2246c58692 |
14 | 1195357bc0 |
15 | 9052ab595 |
hex | 5625bfccc |
23125032140 has 48 divisors (see below), whose sum is σ = 57913132032. Its totient is φ = 7583860416.
The previous prime is 23125032127. The next prime is 23125032173. The reversal of 23125032140 is 4123052132.
It is a super-2 number, since 2×231250321402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3587624 + ... + 3594063.
It is an arithmetic number, because the mean of its divisors is an integer number (1206523584).
Almost surely, 223125032140 is an apocalyptic number.
23125032140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23125032140 is an abundant number, since it is smaller than the sum of its proper divisors (34788099892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23125032140 is a wasteful number, since it uses less digits than its factorization.
23125032140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7181726 (or 7181724 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 23125032140 its reverse (4123052132), we get a palindrome (27248084272).
The spelling of 23125032140 in words is "twenty-three billion, one hundred twenty-five million, thirty-two thousand, one hundred forty".
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