Base | Representation |
---|---|
bin | 10101111000111001… |
… | …001110100100111000 |
3 | 2020122222020101221220 |
4 | 111320321032210320 |
5 | 341113243314222 |
6 | 14444105032040 |
7 | 1461300043002 |
oct | 257071164470 |
9 | 66588211856 |
10 | 23503104312 |
11 | 9a70987156 |
12 | 467b185620 |
13 | 22a739021c |
14 | 11cd651372 |
15 | 92858cb5c |
hex | 578e4e938 |
23503104312 has 64 divisors (see below), whose sum is σ = 60087999360. Its totient is φ = 7658582400.
The previous prime is 23503104307. The next prime is 23503104341. The reversal of 23503104312 is 21340130532.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189387 + ... + 287877.
It is an arithmetic number, because the mean of its divisors is an integer number (938874990).
Almost surely, 223503104312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23503104312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30043999680).
23503104312 is an abundant number, since it is smaller than the sum of its proper divisors (36584895048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23503104312 is a wasteful number, since it uses less digits than its factorization.
23503104312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98724 (or 98720 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 23503104312 its reverse (21340130532), we get a palindrome (44843234844).
The spelling of 23503104312 in words is "twenty-three billion, five hundred three million, one hundred four thousand, three hundred twelve".
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