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83143672723 = 631400132933
BaseRepresentation
bin100110101101110111…
…1111100001110010011
321221121102111012021001
41031123233330032103
52330234240011343
6102110133242431
76002243362126
oct1153357741623
9257542435231
1083143672723
1132296487a11
1214144793417
137ac05112a7
14404a4a03bd
15226949244d
hex135bbfc393

83143672723 has 8 divisors (see below), whose sum is σ = 83298780576. Its totient is φ = 82988640000.

The previous prime is 83143672663. The next prime is 83143672727. The reversal of 83143672723 is 32727634138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83143672723 - 213 = 83143664531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83143672727) 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 7 ways as a sum of consecutive naturals, for example, 2508165 + ... + 2541097.

It is an arithmetic number, because the mean of its divisors is an integer number (10412347572).

Almost surely, 283143672723 is an apocalyptic number.

83143672723 is a deficient number, since it is larger than the sum of its proper divisors (155107853).

83143672723 is a wasteful number, since it uses less digits than its factorization.

83143672723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37565.

The product of its digits is 1016064, while the sum is 46.

The spelling of 83143672723 in words is "eighty-three billion, one hundred forty-three million, six hundred seventy-two thousand, seven hundred twenty-three".

Divisors: 1 631 4001 32933 2524631 20780723 131764933 83143672723