| Base | Representation |
|---|---|
| bin | 1100001011000… |
| … | …01111101011110 |
| 3 | 21010010212212100 |
| 4 | 12011201331132 |
| 5 | 202120104433 |
| 6 | 14044345530 |
| 7 | 2346642612 |
| oct | 605417536 |
| 9 | 233125770 |
| 10 | 102113118 |
| 11 | 52705108 |
| 12 | 2a2452a6 |
| 13 | 18203583 |
| 14 | d7c1342 |
| 15 | 8e70b13 |
| hex | 6161f5e |
102113118 has 96 divisors (see below), whose sum is σ = 249687360. Its totient is φ = 29998080.
The previous prime is 102113117. The next prime is 102113119. The reversal of 102113118 is 811311201.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (102113117) and next prime (102113119).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a self number, because there is not a number n which added to its sum of digits gives 102113118.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102113111) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328183 + ... + 328493.
It is an arithmetic number, because the mean of its divisors is an integer number (2600910).
Almost surely, 2102113118 is an apocalyptic number.
102113118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102113118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124843680).
102113118 is an abundant number, since it is smaller than the sum of its proper divisors (147574242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102113118 is a wasteful number, since it uses less digits than its factorization.
102113118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 402 (or 399 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 18.
The square root of 102113118 is about 10105.1035620621. The cubic root of 102113118 is about 467.4055294445.
Adding to 102113118 its reverse (811311201), we get a palindrome (913424319).
The spelling of 102113118 in words is "one hundred two million, one hundred thirteen thousand, one hundred eighteen".
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