Base | Representation |
---|---|
bin | 100011010100001100… |
… | …0010010100101010010 |
3 | 21020202101011212200000 |
4 | 1012220120102211102 |
5 | 2220304340241030 |
6 | 54501245110430 |
7 | 5323241061324 |
oct | 1065030224522 |
9 | 236671155600 |
10 | 75839383890 |
11 | 2a18839a676 |
12 | 12846558416 |
13 | 71c81683aa |
14 | 3956375614 |
15 | 1e8d0bd860 |
hex | 11a8612952 |
75839383890 has 48 divisors (see below), whose sum is σ = 204485456448. Its totient is φ = 20223835056.
The previous prime is 75839383883. The next prime is 75839383897. The reversal of 75839383890 is 9838393857.
It is an interprime number because it is at equal distance from previous prime (75839383883) and next prime (75839383897).
It is a super-2 number, since 2×758393838902 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (75839383897) 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, 15602382 + ... + 15607241.
It is an arithmetic number, because the mean of its divisors is an integer number (4260113676).
Almost surely, 275839383890 is an apocalyptic number.
75839383890 is an abundant number, since it is smaller than the sum of its proper divisors (128646072558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75839383890 is a wasteful number, since it uses less digits than its factorization.
75839383890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31209645 (or 31209633 counting only the distinct ones).
The product of its (nonzero) digits is 39191040, while the sum is 63.
The spelling of 75839383890 in words is "seventy-five billion, eight hundred thirty-nine million, three hundred eighty-three thousand, eight hundred ninety".
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