Base | Representation |
---|---|
bin | 101011000001110000110010… |
… | …011000100000101101001100 |
3 | 220211000220001011122020102210 |
4 | 223001300302120200231030 |
5 | 144300430042203113410 |
6 | 1510250154154550420 |
7 | 54600633566614623 |
oct | 5301606230405514 |
9 | 824026034566383 |
10 | 189237104347980 |
11 | 5532a007004437 |
12 | 19283503438410 |
13 | 8178ca035b8b0 |
14 | 34a31a63386ba |
15 | 16d2758510220 |
hex | ac1c32620b4c |
189237104347980 has 48 divisors (see below), whose sum is σ = 570622653113184. Its totient is φ = 46581441070080.
The previous prime is 189237104347969. The next prime is 189237104348009. The reversal of 189237104347980 is 89743401732981.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121305835341 + ... + 121305836900.
It is an arithmetic number, because the mean of its divisors is an integer number (11887971939858).
Almost surely, 2189237104347980 is an apocalyptic number.
189237104347980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
189237104347980 is an abundant number, since it is smaller than the sum of its proper divisors (381385548765204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189237104347980 is a wasteful number, since it uses less digits than its factorization.
189237104347980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242611672266 (or 242611672264 counting only the distinct ones).
The product of its (nonzero) digits is 73156608, while the sum is 66.
The spelling of 189237104347980 in words is "one hundred eighty-nine trillion, two hundred thirty-seven billion, one hundred four million, three hundred forty-seven thousand, nine hundred eighty".
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