Base | Representation |
---|---|
bin | 110101110000010101… |
… | …0001100010101111000 |
3 | 102000222002112120200000 |
4 | 1223200222030111320 |
5 | 3342404201303210 |
6 | 125010455313000 |
7 | 11224445262654 |
oct | 1534052142570 |
9 | 360862476600 |
10 | 115438306680 |
11 | 44a58a07444 |
12 | 1a45807b760 |
13 | ab690bcc58 |
14 | 583157ba64 |
15 | 300977cac0 |
hex | 1ae0a8c578 |
115438306680 has 96 divisors (see below), whose sum is σ = 389069881200. Its totient is φ = 30783545856.
The previous prime is 115438306679. The next prime is 115438306681. The reversal of 115438306680 is 86603834511.
115438306680 is a `hidden beast` number, since 11 + 543 + 8 + 30 + 6 + 68 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (115438306679) and next prime (115438306681).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115438306681) 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 23 ways as a sum of consecutive naturals, for example, 5928465 + ... + 5947904.
Almost surely, 2115438306680 is an apocalyptic number.
115438306680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115438306680 is an abundant number, since it is smaller than the sum of its proper divisors (273631574520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115438306680 is a wasteful number, since it uses less digits than its factorization.
115438306680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11876395 (or 11876379 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 115438306680 in words is "one hundred fifteen billion, four hundred thirty-eight million, three hundred six thousand, six hundred eighty".
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