Base | Representation |
---|---|
bin | 1011000000100010111… |
… | …1000000000001100100 |
3 | 200002011110020111200021 |
4 | 2300020233000001210 |
5 | 11044312011141440 |
6 | 222514411124524 |
7 | 16443460552042 |
oct | 2601057000144 |
9 | 602143214607 |
10 | 189125099620 |
11 | 73231208626 |
12 | 307a1743744 |
13 | 14ab02b5992 |
14 | 9221a97392 |
15 | 4dbd89684a |
hex | 2c08bc0064 |
189125099620 has 48 divisors (see below), whose sum is σ = 420590378880. Its totient is φ = 71189005824.
The previous prime is 189125099551. The next prime is 189125099629. The reversal of 189125099620 is 26990521981.
It is not an unprimeable number, because it can be changed into a prime (189125099629) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349601 + ... + 2428759.
It is an arithmetic number, because the mean of its divisors is an integer number (8762299560).
Almost surely, 2189125099620 is an apocalyptic number.
189125099620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
189125099620 is an abundant number, since it is smaller than the sum of its proper divisors (231465279260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189125099620 is a wasteful number, since it uses less digits than its factorization.
189125099620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86212 (or 86210 counting only the distinct ones).
The product of its (nonzero) digits is 699840, while the sum is 52.
The spelling of 189125099620 in words is "one hundred eighty-nine billion, one hundred twenty-five million, ninety-nine thousand, six hundred twenty".
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