Base | Representation |
---|---|
bin | 100010111011100010… |
… | …0100001111111000010 |
3 | 21011121201112112122201 |
4 | 1011313010201333002 |
5 | 2212111100324024 |
6 | 54243214023414 |
7 | 5263604334622 |
oct | 1056704417702 |
9 | 234551475581 |
10 | 75012120514 |
11 | 298a3428431 |
12 | 126554a7b6a |
13 | 70c595b036 |
14 | 38b8550882 |
15 | 1e4065d744 |
hex | 1177121fc2 |
75012120514 has 4 divisors (see below), whose sum is σ = 112518180774. Its totient is φ = 37506060256.
The previous prime is 75012120511. The next prime is 75012120539. The reversal of 75012120514 is 41502121057.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41502121057 = 158563 ⋅261739.
It can be written as a sum of positive squares in only one way, i.e., 73357014025 + 1655106489 = 270845^2 + 40683^2 .
It is not an unprimeable number, because it can be changed into a prime (75012120511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18753030127 + ... + 18753030130.
Almost surely, 275012120514 is an apocalyptic number.
75012120514 is a deficient number, since it is larger than the sum of its proper divisors (37506060260).
75012120514 is a wasteful number, since it uses less digits than its factorization.
75012120514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37506060259.
The product of its (nonzero) digits is 2800, while the sum is 28.
The spelling of 75012120514 in words is "seventy-five billion, twelve million, one hundred twenty thousand, five hundred fourteen".
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