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83842550005 = 537212248729
BaseRepresentation
bin100111000010101100…
…1111100100011110101
322000102010112211122211
41032011121330203311
52333202143100010
6102303340453421
76025460626204
oct1160531744365
9260363484584
1083842550005
1132614a2a845
12142ba84a271
137ba2249646
1440b522523b
1522aa9e208a
hex138567c8f5

83842550005 has 12 divisors (see below), whose sum is σ = 103403778660. Its totient is φ = 65261222784.

The previous prime is 83842549961. The next prime is 83842550009. The reversal of 83842550005 is 50005524838.

It can be written as a sum of positive squares in 6 ways, for example, as 45037521 + 83797512484 = 6711^2 + 289478^2 .

It is not a de Polignac number, because 83842550005 - 29 = 83842549493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83842550005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83842550009) 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, 6117520 + ... + 6131209.

It is an arithmetic number, because the mean of its divisors is an integer number (8616981555).

Almost surely, 283842550005 is an apocalyptic number.

It is an amenable number.

83842550005 is a deficient number, since it is larger than the sum of its proper divisors (19561228655).

83842550005 is a wasteful number, since it uses less digits than its factorization.

83842550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248808 (or 12248771 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 83842550005 in words is "eighty-three billion, eight hundred forty-two million, five hundred fifty thousand, five".

Divisors: 1 5 37 185 1369 6845 12248729 61243645 453202973 2266014865 16768510001 83842550005