Base | Representation |
---|---|
bin | 101111111011100101… |
… | …0111011100001111100 |
3 | 100211200102222220120120 |
4 | 1133313022323201330 |
5 | 3141300324213221 |
6 | 115141430214540 |
7 | 10302504535044 |
oct | 1376712734174 |
9 | 324612886516 |
10 | 102931085436 |
11 | 3a71aa06a63 |
12 | 17b474b4450 |
13 | 9924b4551a |
14 | 4da6448724 |
15 | 2a267195c6 |
hex | 17f72bb87c |
102931085436 has 24 divisors (see below), whose sum is σ = 246663683280. Its totient is φ = 33383054592.
The previous prime is 102931085407. The next prime is 102931085479. The reversal of 102931085436 is 634580139201.
It is a congruent number.
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, 115912941 + ... + 115913828.
It is an arithmetic number, because the mean of its divisors is an integer number (10277653470).
Almost surely, 2102931085436 is an apocalyptic number.
It is an amenable number.
102931085436 is an abundant number, since it is smaller than the sum of its proper divisors (143732597844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102931085436 is a wasteful number, since it uses less digits than its factorization.
102931085436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231826813 (or 231826811 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 42.
The spelling of 102931085436 in words is "one hundred two billion, nine hundred thirty-one million, eighty-five thousand, four hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •