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75799923121 = 137182123427
BaseRepresentation
bin100011010011000000…
…1110000100110110001
321020122121221001200001
41012212001300212301
52220214240014441
654453315230001
75322251500336
oct1064601604661
9236577831601
1075799923121
112a16809816a
12128352a8301
1371bcc30120
14395102298d
151e898c6731
hex11a60709b1

75799923121 has 8 divisors (see below), whose sum is σ = 82780415424. Its totient is φ = 68983677840.

The previous prime is 75799923071. The next prime is 75799923139. The reversal of 75799923121 is 12132999757.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75799923121 - 211 = 75799921073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75799923721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41060791 + ... + 41062636.

It is an arithmetic number, because the mean of its divisors is an integer number (10347551928).

Almost surely, 275799923121 is an apocalyptic number.

75799923121 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

75799923121 is a deficient number, since it is larger than the sum of its proper divisors (6980492303).

75799923121 is a wasteful number, since it uses less digits than its factorization.

75799923121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82123511.

The product of its digits is 2143260, while the sum is 55.

The spelling of 75799923121 in words is "seventy-five billion, seven hundred ninety-nine million, nine hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 13 71 923 82123427 1067604551 5830763317 75799923121