Base | Representation |
---|---|
bin | 10101100010001000… |
… | …000111001101000110 |
3 | 2012200100111010010122 |
4 | 111202020013031012 |
5 | 334323002132220 |
6 | 14342142021542 |
7 | 1445651236115 |
oct | 254210071506 |
9 | 65610433118 |
10 | 23121130310 |
11 | 9895303463 |
12 | 45932778b2 |
13 | 22461c06c5 |
14 | 1194a1dc7c |
15 | 904c8a425 |
hex | 562207346 |
23121130310 has 32 divisors (see below), whose sum is σ = 42026379552. Its totient is φ = 9157789440.
The previous prime is 23121130289. The next prime is 23121130339. The reversal of 23121130310 is 1303112132.
It is a super-2 number, since 2×231211303102 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
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, 3400274 + ... + 3407066.
It is an arithmetic number, because the mean of its divisors is an integer number (1313324361).
Almost surely, 223121130310 is an apocalyptic number.
23121130310 is a deficient number, since it is larger than the sum of its proper divisors (18905249242).
23121130310 is a wasteful number, since it uses less digits than its factorization.
23121130310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10088.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 23121130310 its reverse (1303112132), we get a palindrome (24424242442).
The spelling of 23121130310 in words is "twenty-three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred ten".
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