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83330173381 = 71341921937
BaseRepresentation
bin100110110011011011…
…1011000100111000101
321222002102102102001211
41031212313120213011
52331130011022011
6102140434451421
76006666533620
oct1154667304705
9258072372054
1083330173381
113238178a694
1214197133b71
137b20050000
14406716adb7
15227aa31b21
hex1366dd89c5

83330173381 has 40 divisors (see below), whose sum is σ = 108605385280. Its totient is φ = 62458636032.

The previous prime is 83330173309. The next prime is 83330173429. The reversal of 83330173381 is 18337103338.

It is not a de Polignac number, because 83330173381 - 213 = 83330165189 is a prime.

It is a super-2 number, since 2×833301733812 (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 (83330173781) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3787645 + ... + 3809581.

It is an arithmetic number, because the mean of its divisors is an integer number (2715134632).

Almost surely, 283330173381 is an apocalyptic number.

It is an amenable number.

83330173381 is a deficient number, since it is larger than the sum of its proper divisors (25275211899).

83330173381 is an equidigital number, since it uses as much as digits as its factorization.

83330173381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22015 (or 21976 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 83330173381 in words is "eighty-three billion, three hundred thirty million, one hundred seventy-three thousand, three hundred eighty-one".

Divisors: 1 7 13 19 91 133 169 247 1183 1729 2197 3211 15379 21937 22477 28561 41743 153559 199927 285181 292201 416803 542659 1996267 2917621 3707353 3798613 5418439 25951471 37929073 48195589 70439707 337369123 493077949 626542657 915716191 4385798599 6410013337 11904310483 83330173381