Base | Representation |
---|---|
bin | 110010101111101000… |
… | …1011000000001100100 |
3 | 101102021111010021011210 |
4 | 1211133101120001210 |
5 | 3241133434312042 |
6 | 122021124231420 |
7 | 10605304404540 |
oct | 1453721300144 |
9 | 342244107153 |
10 | 108972572772 |
11 | 422401a38a8 |
12 | 1915283b570 |
13 | a3786a8abb |
14 | 53ba976a20 |
15 | 2c7bce9a9c |
hex | 195f458064 |
108972572772 has 24 divisors (see below), whose sum is σ = 290593527616. Its totient is φ = 31135020768.
The previous prime is 108972572747. The next prime is 108972572777. The reversal of 108972572772 is 277275279801.
It is a happy number.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (108972572777) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648646183 + ... + 648646350.
Almost surely, 2108972572772 is an apocalyptic number.
108972572772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
108972572772 is an abundant number, since it is smaller than the sum of its proper divisors (181620954844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108972572772 is a wasteful number, since it uses less digits than its factorization.
108972572772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1297292547 (or 1297292545 counting only the distinct ones).
The product of its (nonzero) digits is 6914880, while the sum is 57.
The spelling of 108972572772 in words is "one hundred eight billion, nine hundred seventy-two million, five hundred seventy-two thousand, seven hundred seventy-two".
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