Base | Representation |
---|---|
bin | 111111100000111011… |
… | …001110000110110100 |
3 | 20112000211210222001101 |
4 | 333200323032012310 |
5 | 2104132210130400 |
6 | 51155122335444 |
7 | 4633004353432 |
oct | 774073160664 |
9 | 215024728041 |
10 | 68198130100 |
11 | 26a170805a1 |
12 | 112734ba584 |
13 | 657b051449 |
14 | 342d5b3d52 |
15 | 1b9233856a |
hex | fe0ece1b4 |
68198130100 has 36 divisors (see below), whose sum is σ = 148003207744. Its totient is φ = 27276806880.
The previous prime is 68198130097. The next prime is 68198130101. The reversal of 68198130100 is 103189186.
It is a self number, because there is not a number n which added to its sum of digits gives 68198130100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68198130101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445077 + ... + 1491523.
Almost surely, 268198130100 is an apocalyptic number.
It is an amenable number.
68198130100 is an abundant number, since it is smaller than the sum of its proper divisors (79805077644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68198130100 is a wasteful number, since it uses less digits than its factorization.
68198130100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61144 (or 61137 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 37.
The spelling of 68198130100 in words is "sixty-eight billion, one hundred ninety-eight million, one hundred thirty thousand, one hundred".
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