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82669238251 = 313823969739
BaseRepresentation
bin100110011111101111…
…0000111011111101011
321220101100202102111221
41030333132013133223
52323301311111001
6101551104402511
75654422634215
oct1147736073753
9256340672457
1082669238251
11320726a2306
1214031916437
137a4613a932
1440034815b5
15223c9c91a1
hex133f7877eb

82669238251 has 8 divisors (see below), whose sum is σ = 85339443200. Its totient is φ = 79999249320.

The previous prime is 82669238213. The next prime is 82669238359. The reversal of 82669238251 is 15283296628.

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 82669238251 - 215 = 82669205483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82669268251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150540 + ... + 1220278.

It is an arithmetic number, because the mean of its divisors is an integer number (10667430400).

Almost surely, 282669238251 is an apocalyptic number.

82669238251 is a deficient number, since it is larger than the sum of its proper divisors (2670204949).

82669238251 is a wasteful number, since it uses less digits than its factorization.

82669238251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108009.

The product of its digits is 2488320, while the sum is 52.

The spelling of 82669238251 in words is "eighty-two billion, six hundred sixty-nine million, two hundred thirty-eight thousand, two hundred fifty-one".

Divisors: 1 31 38239 69739 1185409 2161909 2666749621 82669238251