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83728992075 = 3521116386561
BaseRepresentation
bin100110111111010100…
…0110000011101001011
322000010012212111110120
41031332220300131023
52332434110221300
6102244202514323
76022611455421
oct1157650603513
9260105774416
1083728992075
1132566919013
12142888059a3
137b848699c1
1440a4105111
1522a0a603a0
hex137ea3074b

83728992075 has 12 divisors (see below), whose sum is σ = 138431933688. Its totient is φ = 44655462400.

The previous prime is 83728992073. The next prime is 83728992077. The reversal of 83728992075 is 57029982738.

It is an interprime number because it is at equal distance from previous prime (83728992073) and next prime (83728992077).

It is not a de Polignac number, because 83728992075 - 21 = 83728992073 is a prime.

It is a super-2 number, since 2×837289920752 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83728992073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558193206 + ... + 558193355.

It is an arithmetic number, because the mean of its divisors is an integer number (11535994474).

Almost surely, 283728992075 is an apocalyptic number.

83728992075 is a deficient number, since it is larger than the sum of its proper divisors (54702941613).

83728992075 is a wasteful number, since it uses less digits than its factorization.

83728992075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116386574 (or 1116386569 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 83728992075 in words is "eighty-three billion, seven hundred twenty-eight million, nine hundred ninety-two thousand, seventy-five".

Divisors: 1 3 5 15 25 75 1116386561 3349159683 5581932805 16745798415 27909664025 83728992075