Base | Representation |
---|---|
bin | 1100000111010110001… |
… | …0000111001101001000 |
3 | 201220012221220001211202 |
4 | 3001311202013031020 |
5 | 11402222324310023 |
6 | 235340322443332 |
7 | 21015443263430 |
oct | 3016542071510 |
9 | 656187801752 |
10 | 208130306888 |
11 | 802a4150099 |
12 | 34406503548 |
13 | 1681b85765a |
14 | a105bc92c0 |
15 | 563210e128 |
hex | 3075887348 |
208130306888 has 32 divisors (see below), whose sum is σ = 446152964160. Its totient is φ = 89166813120.
The previous prime is 208130306837. The next prime is 208130306933. The reversal of 208130306888 is 888603031802.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506003 + ... + 819938.
It is an arithmetic number, because the mean of its divisors is an integer number (13942280130).
Almost surely, 2208130306888 is an apocalyptic number.
208130306888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
208130306888 is an abundant number, since it is smaller than the sum of its proper divisors (238022657272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208130306888 is a wasteful number, since it uses less digits than its factorization.
208130306888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1328757 (or 1328753 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 47.
The spelling of 208130306888 in words is "two hundred eight billion, one hundred thirty million, three hundred six thousand, eight hundred eighty-eight".
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