Base | Representation |
---|---|
bin | 1011000100100000110… |
… | …1111110110110010011 |
3 | 200011220200101111100100 |
4 | 2301020031332312103 |
5 | 11104002141422000 |
6 | 223212215423443 |
7 | 16512042622554 |
oct | 2611015766623 |
9 | 604820344310 |
10 | 190190185875 |
11 | 737284466a8 |
12 | 30a3a384b83 |
13 | 14c1cb60c31 |
14 | 92c330832b |
15 | 4e32132a00 |
hex | 2c4837ed93 |
190190185875 has 24 divisors (see below), whose sum is σ = 342849510432. Its totient is φ = 101434765200.
The previous prime is 190190185819. The next prime is 190190185879. The reversal of 190190185875 is 578581091091.
It is a happy number.
It is not a de Polignac number, because 190190185875 - 221 = 190188088723 is a prime.
It is not an unprimeable number, because it can be changed into a prime (190190185879) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84527847 + ... + 84530096.
It is an arithmetic number, because the mean of its divisors is an integer number (14285396268).
Almost surely, 2190190185875 is an apocalyptic number.
190190185875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
190190185875 is a deficient number, since it is larger than the sum of its proper divisors (152659324557).
190190185875 is a wasteful number, since it uses less digits than its factorization.
190190185875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169057964 (or 169057951 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 54.
The spelling of 190190185875 in words is "one hundred ninety billion, one hundred ninety million, one hundred eighty-five thousand, eight hundred seventy-five".
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