Base | Representation |
---|---|
bin | 1010101010101001111111… |
… | …11111111111111111111011 |
3 | 10002001100202022110201001020 |
4 | 11111110333333333333323 |
5 | 11033300130334122100 |
6 | 121515253121353523 |
7 | 4640426552412660 |
oct | 525247777777773 |
9 | 102040668421036 |
10 | 23455890145275 |
11 | 7523650547515 |
12 | 2769aaa1988a3 |
13 | 1011b5b5a6543 |
14 | 5b13b201ba67 |
15 | 2aa21ca015a0 |
hex | 15553ffffffb |
23455890145275 has 48 divisors (see below), whose sum is σ = 44818445721600. Its totient is φ = 10602212924160.
The previous prime is 23455890145271. The next prime is 23455890145327. The reversal of 23455890145275 is 57254109855432.
It is not a de Polignac number, because 23455890145275 - 22 = 23455890145271 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23455890145271) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250952635 + ... + 251046084.
It is an arithmetic number, because the mean of its divisors is an integer number (933717619200).
Almost surely, 223455890145275 is an apocalyptic number.
23455890145275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23455890145275 is a deficient number, since it is larger than the sum of its proper divisors (21362555576325).
23455890145275 is a wasteful number, since it uses less digits than its factorization.
23455890145275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501998828 (or 501998823 counting only the distinct ones).
The product of its (nonzero) digits is 60480000, while the sum is 60.
The spelling of 23455890145275 in words is "twenty-three trillion, four hundred fifty-five billion, eight hundred ninety million, one hundred forty-five thousand, two hundred seventy-five".
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