Base | Representation |
---|---|
bin | 110010011101001111… |
… | …1000000000000000000 |
3 | 101100200110210000000000 |
4 | 1210322133000000000 |
5 | 3233402434344032 |
6 | 121440000000000 |
7 | 10554101411340 |
oct | 1447237000000 |
9 | 340613700000 |
10 | 108355387392 |
11 | 41a5387833a |
12 | 19000000000 |
13 | a2aa873c55 |
14 | 535c9d8d20 |
15 | 2c42a34e7c |
hex | 193a7c0000 |
108355387392 has 418 divisors, whose sum is σ = 371501379608. Its totient is φ = 30958682112.
The previous prime is 108355387391. The next prime is 108355387403. The reversal of 108355387392 is 293783553801.
108355387392 is a `hidden beast` number, since 1 + 0 + 8 + 3 + 553 + 87 + 3 + 9 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108355387391) by changing a digit.
It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 15479341053 + ... + 15479341059.
Almost surely, 2108355387392 is an apocalyptic number.
108355387392 is a gapful number since it is divisible by the number (12) 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 108355387392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185750689804).
108355387392 is an abundant number, since it is smaller than the sum of its proper divisors (263145992216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108355387392 is an frugal number, since it uses more digits than its factorization.
108355387392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73 (or 12 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 54.
The spelling of 108355387392 in words is "one hundred eight billion, three hundred fifty-five million, three hundred eighty-seven thousand, three hundred ninety-two".
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