Base | Representation |
---|---|
bin | 10101011100110000… |
… | …110001010100111110 |
3 | 2012110002010101111010 |
4 | 111130300301110332 |
5 | 334131432002220 |
6 | 14325204540050 |
7 | 1443506222634 |
oct | 253460612476 |
9 | 65402111433 |
10 | 23031125310 |
11 | 9849519366 |
12 | 45690b1626 |
13 | 22306693cb |
14 | 1186ab1354 |
15 | 8ebe0c1e0 |
hex | 55cc3153e |
23031125310 has 128 divisors (see below), whose sum is σ = 58795269120. Its totient is φ = 5757613056.
The previous prime is 23031125303. The next prime is 23031125317. The reversal of 23031125310 is 1352113032.
It is an interprime number because it is at equal distance from previous prime (23031125303) and next prime (23031125317).
It is a super-2 number, since 2×230311253102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23031125317) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29794084 + ... + 29794856.
It is an arithmetic number, because the mean of its divisors is an integer number (459338040).
Almost surely, 223031125310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23031125310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29397634560).
23031125310 is an abundant number, since it is smaller than the sum of its proper divisors (35764143810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23031125310 is a wasteful number, since it uses less digits than its factorization.
23031125310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1282.
The product of its (nonzero) digits is 540, while the sum is 21.
Adding to 23031125310 its reverse (1352113032), we get a palindrome (24383238342).
The spelling of 23031125310 in words is "twenty-three billion, thirty-one million, one hundred twenty-five thousand, three hundred ten".
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