Base | Representation |
---|---|
bin | 10101011011100001… |
… | …010111011110000100 |
3 | 2012101121221212021110 |
4 | 111123201113132010 |
5 | 334111114410040 |
6 | 14323142445020 |
7 | 1443134256645 |
oct | 253341273604 |
9 | 65347855243 |
10 | 23010310020 |
11 | 98387a1545 |
12 | 4562133770 |
13 | 222925bb79 |
14 | 11840136cc |
15 | 8ea199980 |
hex | 55b857784 |
23010310020 has 48 divisors (see below), whose sum is σ = 64435448448. Its totient is φ = 6135456000.
The previous prime is 23010310007. The next prime is 23010310091. The reversal of 23010310020 is 2001301032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 23010309978 and 23010310005.
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, 1155145 + ... + 1174895.
It is an arithmetic number, because the mean of its divisors is an integer number (1342405176).
Almost surely, 223010310020 is an apocalyptic number.
23010310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23010310020 is an abundant number, since it is smaller than the sum of its proper divisors (41425138428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23010310020 is a wasteful number, since it uses less digits than its factorization.
23010310020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39180 (or 39178 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 23010310020 its reverse (2001301032), we get a palindrome (25011611052).
The spelling of 23010310020 in words is "twenty-three billion, ten million, three hundred ten thousand, twenty".
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