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83081231662 = 21113290493817
BaseRepresentation
bin100110101100000000…
…1101111110100101110
321221110001222212020011
41031120001233310232
52330122243403122
6102100023043434
76000554550202
oct1153001576456
9257401885204
1083081231662
113226420a030
12141278a057a
137ab05bb210
144042088b02
152263c5b377
hex135806fd2e

83081231662 has 16 divisors (see below), whose sum is σ = 146408884272. Its totient is φ = 34859257920.

The previous prime is 83081231633. The next prime is 83081231669. The reversal of 83081231662 is 26613218038.

It is a super-2 number, since 2×830812316622 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83081231669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145246623 + ... + 145247194.

It is an arithmetic number, because the mean of its divisors is an integer number (9150555267).

Almost surely, 283081231662 is an apocalyptic number.

83081231662 is a deficient number, since it is larger than the sum of its proper divisors (63327652610).

83081231662 is a wasteful number, since it uses less digits than its factorization.

83081231662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290493843.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 83081231662 in words is "eighty-three billion, eighty-one million, two hundred thirty-one thousand, six hundred sixty-two".

Divisors: 1 2 11 13 22 26 143 286 290493817 580987634 3195431987 3776419621 6390863974 7552839242 41540615831 83081231662