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83407552331 = 472165722787
BaseRepresentation
bin100110110101101111…
…0100011111101001011
321222021211000200000212
41031223132203331023
52331304313133311
6102152241151335
76011626332335
oct1155336437513
9258254020025
1083407552331
1132411430634
12141b902b54b
137b330a337c
144073550455
152282718c8b
hex136b7a3f4b

83407552331 has 12 divisors (see below), whose sum is σ = 85275111528. Its totient is φ = 81580077792.

The previous prime is 83407552309. The next prime is 83407552343. The reversal of 83407552331 is 13325570438.

It is not a de Polignac number, because 83407552331 - 210 = 83407551307 is a prime.

It is a super-2 number, since 2×834075523312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83407552351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3648920 + ... + 3671706.

It is an arithmetic number, because the mean of its divisors is an integer number (7106259294).

Almost surely, 283407552331 is an apocalyptic number.

83407552331 is a deficient number, since it is larger than the sum of its proper divisors (1867559197).

83407552331 is a wasteful number, since it uses less digits than its factorization.

83407552331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24538 (or 24491 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 83407552331 in words is "eighty-three billion, four hundred seven million, five hundred fifty-two thousand, three hundred thirty-one".

Divisors: 1 47 1657 2209 22787 77879 1070989 3660313 37758059 50336483 1774628773 83407552331