Base | Representation |
---|---|
bin | 10011000100101111… |
… | …100010100111101000 |
3 | 1221212022222122011110 |
4 | 103010233202213220 |
5 | 313421022303323 |
6 | 13224135430320 |
7 | 1323346534521 |
oct | 230457424750 |
9 | 57768878143 |
10 | 20480666088 |
11 | 875a890623 |
12 | 3b76b253a0 |
13 | 1c1515083c |
14 | dc4087848 |
15 | 7ed065793 |
hex | 4c4be29e8 |
20480666088 has 64 divisors (see below), whose sum is σ = 55962385920. Its totient is φ = 6218035200.
The previous prime is 20480666083. The next prime is 20480666111. The reversal of 20480666088 is 88066608402.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20480666083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796993 + ... + 822288.
It is an arithmetic number, because the mean of its divisors is an integer number (874412280).
Almost surely, 220480666088 is an apocalyptic number.
It is an amenable number.
20480666088 is an abundant number, since it is smaller than the sum of its proper divisors (35481719832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20480666088 is a wasteful number, since it uses less digits than its factorization.
20480666088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1619338 (or 1619334 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 48.
The spelling of 20480666088 in words is "twenty billion, four hundred eighty million, six hundred sixty-six thousand, eighty-eight".
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