Base | Representation |
---|---|
bin | 100010111110100110… |
… | …1001011100010010101 |
3 | 21011212220012221221202 |
4 | 1011331031023202111 |
5 | 2212313423114112 |
6 | 54301332122245 |
7 | 5266264254146 |
oct | 1057515134225 |
9 | 234786187852 |
10 | 75115051157 |
11 | 29946540783 |
12 | 12683a66385 |
13 | 7111089743 |
14 | 38c80a5acd |
15 | 1e496e16c2 |
hex | 117d34b895 |
75115051157 has 16 divisors (see below), whose sum is σ = 80911861632. Its totient is φ = 69477757440.
The previous prime is 75115051153. The next prime is 75115051181.
75115051157 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 75115051157 - 22 = 75115051153 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 75115051157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75115051153) by changing a digit.
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, 278378 + ... + 477204.
It is an arithmetic number, because the mean of its divisors is an integer number (5056991352).
Almost surely, 275115051157 is an apocalyptic number.
It is an amenable number.
75115051157 is a deficient number, since it is larger than the sum of its proper divisors (5796810475).
75115051157 is a wasteful number, since it uses less digits than its factorization.
75115051157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 199228.
The product of its (nonzero) digits is 30625, while the sum is 38.
The spelling of 75115051157 in words is "seventy-five billion, one hundred fifteen million, fifty-one thousand, one hundred fifty-seven".
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