Base | Representation |
---|---|
bin | 10101011010111110… |
… | …010011111010110000 |
3 | 2012100222122222112100 |
4 | 111122332103322300 |
5 | 334101241323212 |
6 | 14322213500400 |
7 | 1442663204103 |
oct | 253276237260 |
9 | 65328588470 |
10 | 23001120432 |
11 | 9833595244 |
12 | 455b041700 |
13 | 2227392144 |
14 | 1182b0073a |
15 | 8e9481bdc |
hex | 55af93eb0 |
23001120432 has 60 divisors (see below), whose sum is σ = 64862627544. Its totient is φ = 7608506880.
The previous prime is 23001120431. The next prime is 23001120433. The reversal of 23001120432 is 23402110032.
23001120432 is a `hidden beast` number, since 230 + 0 + 1 + 1 + 2 + 0 + 432 = 666.
It is an interprime number because it is at equal distance from previous prime (23001120431) and next prime (23001120433).
It is a super-2 number, since 2×230011204322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23001120431) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590793 + ... + 628520.
Almost surely, 223001120432 is an apocalyptic number.
It is an amenable number.
23001120432 is an abundant number, since it is smaller than the sum of its proper divisors (41861507112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23001120432 is a wasteful number, since it uses less digits than its factorization.
23001120432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219458 (or 1219449 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 23001120432 its reverse (23402110032), we get a palindrome (46403230464).
The spelling of 23001120432 in words is "twenty-three billion, one million, one hundred twenty thousand, four hundred thirty-two".
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