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162393939331 = 1397128781871
BaseRepresentation
bin1001011100111101101…
…1101101110110000011
3120112011111211212101121
42113033123231312003
510130040322024311
6202334105413111
714506162465111
oct2271733556603
9515144755347
10162393939331
1162964166218
122758149a197
1312410212a80
147c07836ab1
154356c17b71
hex25cf6edd83

162393939331 has 8 divisors (see below), whose sum is σ = 176688728384. Its totient is φ = 148356714240.

The previous prime is 162393939317. The next prime is 162393939479. The reversal of 162393939331 is 133939393261.

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 162393939331 - 25 = 162393939299 is a prime.

It is a super-2 number, since 2×1623939393312 (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 (162393939931) 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, 64389675 + ... + 64392196.

It is an arithmetic number, because the mean of its divisors is an integer number (22086091048).

Almost surely, 2162393939331 is an apocalyptic number.

162393939331 is a deficient number, since it is larger than the sum of its proper divisors (14294789053).

162393939331 is a wasteful number, since it uses less digits than its factorization.

162393939331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128781981.

The product of its digits is 2125764, while the sum is 52.

The spelling of 162393939331 in words is "one hundred sixty-two billion, three hundred ninety-three million, nine hundred thirty-nine thousand, three hundred thirty-one".

Divisors: 1 13 97 1261 128781871 1674164323 12491841487 162393939331