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75004038087 = 31119311776423
BaseRepresentation
bin100010111011010010…
…1101100101111000111
321011121011022220122120
41011312211230233013
52212102013204322
654242324501023
75263445542656
oct1056645545707
9234534286576
1075004038087
1129899907a40
121265284a773
1370c408b234
1438b744919d
151e3eab3a5c
hex117696cbc7

75004038087 has 16 divisors (see below), whose sum is σ = 109662060288. Its totient is φ = 45221460480.

The previous prime is 75004038071. The next prime is 75004038091. The reversal of 75004038087 is 78083040057.

It is not a de Polignac number, because 75004038087 - 24 = 75004038071 is a prime.

It is a super-2 number, since 2×750040380872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75004038017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5881843 + ... + 5894580.

It is an arithmetic number, because the mean of its divisors is an integer number (6853878768).

Almost surely, 275004038087 is an apocalyptic number.

75004038087 is a deficient number, since it is larger than the sum of its proper divisors (34658022201).

75004038087 is a wasteful number, since it uses less digits than its factorization.

75004038087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11776630.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 75004038087 in words is "seventy-five billion, four million, thirty-eight thousand, eighty-seven".

Divisors: 1 3 11 33 193 579 2123 6369 11776423 35329269 129540653 388621959 2272849639 6818548917 25001346029 75004038087