Base | Representation |
---|---|
bin | 10101100101000101… |
… | …100111000110000000 |
3 | 2012210210221220120100 |
4 | 111211011213012000 |
5 | 334423211244034 |
6 | 14351114442400 |
7 | 1450123413453 |
oct | 254505470600 |
9 | 65723856510 |
10 | 23170806144 |
11 | 9910352672 |
12 | 45a7a33400 |
13 | 22535943a5 |
14 | 119b47149a |
15 | 9092ee099 |
hex | 565167180 |
23170806144 has 48 divisors (see below), whose sum is σ = 66676411620. Its totient is φ = 7723601664.
The previous prime is 23170806103. The next prime is 23170806181. The reversal of 23170806144 is 44160807132.
23170806144 is a `hidden beast` number, since 2 + 31 + 7 + 0 + 8 + 0 + 614 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 23170806099 and 23170806108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10055622 + ... + 10057925.
Almost surely, 223170806144 is an apocalyptic number.
23170806144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
23170806144 is an abundant number, since it is smaller than the sum of its proper divisors (43505605476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23170806144 is a wasteful number, since it uses less digits than its factorization.
23170806144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20113567 (or 20113552 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 23170806144 in words is "twenty-three billion, one hundred seventy million, eight hundred six thousand, one hundred forty-four".
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