Base | Representation |
---|---|
bin | 100010111111001100… |
… | …1000111110101010011 |
3 | 21011221021200101021201 |
4 | 1011332121013311103 |
5 | 2212334022141211 |
6 | 54303322532031 |
7 | 5266625420254 |
oct | 1057631076523 |
9 | 234837611251 |
10 | 75134958931 |
11 | 299567a878a |
12 | 1268a667017 |
13 | 7115239ba6 |
14 | 38ca9a8b2b |
15 | 1e4b3250c1 |
hex | 117e647d53 |
75134958931 has 4 divisors (see below), whose sum is σ = 75139330072. Its totient is φ = 75130587792.
The previous prime is 75134958929. The next prime is 75134958953. The reversal of 75134958931 is 13985943157.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13985943157 = 97 ⋅144184981.
It is a cyclic number.
It is not a de Polignac number, because 75134958931 - 21 = 75134958929 is a prime.
It is a super-2 number, since 2×751349589312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75134958901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159685 + ... + 2194198.
It is an arithmetic number, because the mean of its divisors is an integer number (18784832518).
Almost surely, 275134958931 is an apocalyptic number.
75134958931 is a deficient number, since it is larger than the sum of its proper divisors (4371141).
75134958931 is a wasteful number, since it uses less digits than its factorization.
75134958931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4371140.
The product of its digits is 4082400, while the sum is 55.
The spelling of 75134958931 in words is "seventy-five billion, one hundred thirty-four million, nine hundred fifty-eight thousand, nine hundred thirty-one".
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