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83080002553 = 104779792907
BaseRepresentation
bin100110101011111110…
…1000011101111111001
321221102222200102012121
41031113331003233321
52330121440040203
6102055540441241
76000541240612
oct1152775035771
9257388612177
1083080002553
113226354a639
12141273a9221
137ab027a932
144041c48c09
152263ab70bd
hex1357f43bf9

83080002553 has 4 divisors (see below), whose sum is σ = 83080900240. Its totient is φ = 83079104868.

The previous prime is 83080002463. The next prime is 83080002589. The reversal of 83080002553 is 35520008038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35520008038 = 217760004019.

It is a cyclic number.

It is not a de Polignac number, because 83080002553 - 221 = 83077905401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83080003553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291675 + ... + 501232.

It is an arithmetic number, because the mean of its divisors is an integer number (20770225060).

Almost surely, 283080002553 is an apocalyptic number.

It is an amenable number.

83080002553 is a deficient number, since it is larger than the sum of its proper divisors (897687).

83080002553 is a wasteful number, since it uses less digits than its factorization.

83080002553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897686.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 83080002553 in words is "eighty-three billion, eighty million, two thousand, five hundred fifty-three".

Divisors: 1 104779 792907 83080002553