Base | Representation |
---|---|
bin | 10101100101101110… |
… | …111110100101011100 |
3 | 2012211120100211220120 |
4 | 111211232332211130 |
5 | 334434000302033 |
6 | 14352143114540 |
7 | 1450314530130 |
oct | 254556764534 |
9 | 65746324816 |
10 | 23181650268 |
11 | 9916489a57 |
12 | 45ab5a2a50 |
13 | 22558c022a |
14 | 119ca953c0 |
15 | 90a2421b3 |
hex | 565bbe95c |
23181650268 has 48 divisors (see below), whose sum is σ = 61913424384. Its totient is φ = 6613076160.
The previous prime is 23181650263. The next prime is 23181650273. The reversal of 23181650268 is 86205618132.
It is an interprime number because it is at equal distance from previous prime (23181650263) and next prime (23181650273).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23181650263) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158923 + ... + 267618.
It is an arithmetic number, because the mean of its divisors is an integer number (1289863008).
Almost surely, 223181650268 is an apocalyptic number.
23181650268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23181650268 is an abundant number, since it is smaller than the sum of its proper divisors (38731774116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23181650268 is a wasteful number, since it uses less digits than its factorization.
23181650268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427202 (or 427200 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The spelling of 23181650268 in words is "twenty-three billion, one hundred eighty-one million, six hundred fifty thousand, two hundred sixty-eight".
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