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75012120514 = 237506060257
BaseRepresentation
bin100010111011100010…
…0100001111111000010
321011121201112112122201
41011313010201333002
52212111100324024
654243214023414
75263604334622
oct1056704417702
9234551475581
1075012120514
11298a3428431
12126554a7b6a
1370c595b036
1438b8550882
151e4065d744
hex1177121fc2

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 = 158563261739.

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".

Divisors: 1 2 37506060257 75012120514