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7138332157975 = 521997154928533
BaseRepresentation
bin110011111100000010111…
…0000001010100000010111
3221021102021122022200222121
41213320011300022200113
51413423301013023400
623103145435440411
71334504345131264
oct147700560124027
927242248280877
107138332157975
112302393453047
12973558bb6107
133ca1ac7c0345
141a96d615026b
15c5a3ecc021a
hex67e05c0a817

7138332157975 has 24 divisors (see below), whose sum is σ = 9413457725840. Its totient is φ = 5354330065920.

The previous prime is 7138332157973. The next prime is 7138332157987. The reversal of 7138332157975 is 5797512338317.

It is not a de Polignac number, because 7138332157975 - 21 = 7138332157973 is a prime.

It is a super-2 number, since 2×71383321579752 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138332157973) 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 23 ways as a sum of consecutive naturals, for example, 77418192 + ... + 77510341.

Almost surely, 27138332157975 is an apocalyptic number.

7138332157975 is a deficient number, since it is larger than the sum of its proper divisors (2275125567865).

7138332157975 is a wasteful number, since it uses less digits than its factorization.

7138332157975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154928659 (or 154928654 counting only the distinct ones).

The product of its digits is 33339600, while the sum is 61.

The spelling of 7138332157975 in words is "seven trillion, one hundred thirty-eight billion, three hundred thirty-two million, one hundred fifty-seven thousand, nine hundred seventy-five".

Divisors: 1 5 19 25 95 97 475 485 1843 2425 9215 46075 154928533 774642665 2943642127 3873213325 14718210635 15028067701 73591053175 75140338505 285533286319 375701692525 1427666431595 7138332157975