Base | Representation |
---|---|
bin | 110110111100010110… |
… | …0101110000000100000 |
3 | 102021112212022121002122 |
4 | 1231320230232000200 |
5 | 3413120202340241 |
6 | 130111540003412 |
7 | 11344610564540 |
oct | 1557054560040 |
9 | 367485277078 |
10 | 117989105696 |
11 | 46047857500 |
12 | 1aa4a390568 |
13 | b1846c7397 |
14 | 59d4253320 |
15 | 310869004b |
hex | 1b78b2e020 |
117989105696 has 144 divisors (see below), whose sum is σ = 293502025152. Its totient is φ = 45702243840.
The previous prime is 117989105683. The next prime is 117989105699. The reversal of 117989105696 is 696501989711.
It is not an unprimeable number, because it can be changed into a prime (117989105699) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4676411 + ... + 4701573.
It is an arithmetic number, because the mean of its divisors is an integer number (2038208508).
Almost surely, 2117989105696 is an apocalyptic number.
117989105696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 117989105696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146751012576).
117989105696 is an abundant number, since it is smaller than the sum of its proper divisors (175512919456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
117989105696 is a wasteful number, since it uses less digits than its factorization.
117989105696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25375 (or 25356 counting only the distinct ones).
The product of its (nonzero) digits is 7348320, while the sum is 62.
The spelling of 117989105696 in words is "one hundred seventeen billion, nine hundred eighty-nine million, one hundred five thousand, six hundred ninety-six".
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