Base | Representation |
---|---|
bin | 10101011010111110… |
… | …010011111000111000 |
3 | 2012100222122222100220 |
4 | 111122332103320320 |
5 | 334101241322222 |
6 | 14322213500040 |
7 | 1442663203542 |
oct | 253276237070 |
9 | 65328588326 |
10 | 23001120312 |
11 | 9833595145 |
12 | 455b041620 |
13 | 2227392081 |
14 | 1182b00692 |
15 | 8e9481b5c |
hex | 55af93e38 |
23001120312 has 64 divisors (see below), whose sum is σ = 57755617920. Its totient is φ = 7633392768.
The previous prime is 23001120299. The next prime is 23001120391. The reversal of 23001120312 is 21302110032.
It is a junction number, because it is equal to n+sod(n) for n = 23001120291 and 23001120300.
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, 12060463 + ... + 12062369.
It is an arithmetic number, because the mean of its divisors is an integer number (902431530).
Almost surely, 223001120312 is an apocalyptic number.
It is an amenable number.
23001120312 is an abundant number, since it is smaller than the sum of its proper divisors (34754497608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23001120312 is a wasteful number, since it uses less digits than its factorization.
23001120312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3860 (or 3856 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 23001120312 its reverse (21302110032), we get a palindrome (44303230344).
The spelling of 23001120312 in words is "twenty-three billion, one million, one hundred twenty thousand, three hundred twelve".
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