Base | Representation |
---|---|
bin | 10101110001100111… |
… | …111110110000011010 |
3 | 2020100110202002212202 |
4 | 111301213332300122 |
5 | 340341033030204 |
6 | 14424031010202 |
7 | 1455256301240 |
oct | 256147766032 |
9 | 66313662782 |
10 | 23381142554 |
11 | 9a09055510 |
12 | 4646369962 |
13 | 228802a3c3 |
14 | 11bb384790 |
15 | 91c9eae1e |
hex | 5719fec1a |
23381142554 has 16 divisors (see below), whose sum is σ = 43725773376. Its totient is φ = 9109536000.
The previous prime is 23381142541. The next prime is 23381142643. The reversal of 23381142554 is 45524118332.
It is a Curzon 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, 75912647 + ... + 75912954.
It is an arithmetic number, because the mean of its divisors is an integer number (2732860836).
Almost surely, 223381142554 is an apocalyptic number.
23381142554 is a deficient number, since it is larger than the sum of its proper divisors (20344630822).
23381142554 is a wasteful number, since it uses less digits than its factorization.
23381142554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151825621.
The product of its digits is 115200, while the sum is 38.
The spelling of 23381142554 in words is "twenty-three billion, three hundred eighty-one million, one hundred forty-two thousand, five hundred fifty-four".
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