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83105000275 = 5211437027907
BaseRepresentation
bin100110101100101110…
…0011010101101010011
321221111201201102122011
41031121130122231103
52330144340002100
6102102232323351
76001263563353
oct1153134325523
9257451642564
1083105000275
1132276673810
1214133843557
137ab54c0a9b
1440452b4b63
152265da3bba
hex135971ab53

83105000275 has 24 divisors (see below), whose sum is σ = 115032798144. Its totient is φ = 59034410400.

The previous prime is 83105000273. The next prime is 83105000299. The reversal of 83105000275 is 57200050138.

It is not a de Polignac number, because 83105000275 - 21 = 83105000273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83105000273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3502129 + ... + 3525778.

It is an arithmetic number, because the mean of its divisors is an integer number (4793033256).

Almost surely, 283105000275 is an apocalyptic number.

83105000275 is a deficient number, since it is larger than the sum of its proper divisors (31927797869).

83105000275 is a wasteful number, since it uses less digits than its factorization.

83105000275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027971 (or 7027966 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 83105000275 in words is "eighty-three billion, one hundred five million, two hundred seventy-five", and thus it is an aban number.

Divisors: 1 5 11 25 43 55 215 275 473 1075 2365 11825 7027907 35139535 77306977 175697675 302200001 386534885 1511000005 1932674425 3324200011 7555000025 16621000055 83105000275