Base | Representation |
---|---|
bin | 10101101100110111… |
… | …011110110101010100 |
3 | 2020010220112200221121 |
4 | 111230313132311110 |
5 | 340210114220040 |
6 | 14412100053324 |
7 | 1453266644416 |
oct | 255467366524 |
9 | 66126480847 |
10 | 23301320020 |
11 | 9977a95680 |
12 | 4623694244 |
13 | 227462ca34 |
14 | 11b09269b6 |
15 | 9159cec4a |
hex | 56cdded54 |
23301320020 has 48 divisors (see below), whose sum is σ = 53395288128. Its totient is φ = 8470972160.
The previous prime is 23301319999. The next prime is 23301320027. The reversal of 23301320020 is 2002310332.
It is a junction number, because it is equal to n+sod(n) for n = 23301319976 and 23301320003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23301320027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983352 + ... + 1006768.
It is an arithmetic number, because the mean of its divisors is an integer number (1112401836).
Almost surely, 223301320020 is an apocalyptic number.
23301320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23301320020 is an abundant number, since it is smaller than the sum of its proper divisors (30093968108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23301320020 is a wasteful number, since it uses less digits than its factorization.
23301320020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27960 (or 27958 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 23301320020 its reverse (2002310332), we get a palindrome (25303630352).
The spelling of 23301320020 in words is "twenty-three billion, three hundred one million, three hundred twenty thousand, twenty".
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