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85328053131 = 3172806912197
BaseRepresentation
bin100111101110111110…
…0101100001110001011
322011020122210012212010
41033131330230032023
52344222440200011
6103111004151003
76110336325126
oct1173574541613
9264218705763
1085328053131
1133207509282
1214654238463
13807ac34289
1441b66333bd
1523461261a6
hex13ddf2c38b

85328053131 has 24 divisors (see below), whose sum is σ = 120881692080. Its totient is φ = 53528146432.

The previous prime is 85328053127. The next prime is 85328053141. The reversal of 85328053131 is 13135082358.

It is not a de Polignac number, because 85328053131 - 22 = 85328053127 is a prime.

It is a super-2 number, since 2×853280531312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85328053131.

It is not an unprimeable number, because it can be changed into a prime (85328053141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6989725 + ... + 7001921.

It is an arithmetic number, because the mean of its divisors is an integer number (5036737170).

Almost surely, 285328053131 is an apocalyptic number.

85328053131 is a deficient number, since it is larger than the sum of its proper divisors (35553638949).

85328053131 is a wasteful number, since it uses less digits than its factorization.

85328053131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20303 (or 20286 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 85328053131 in words is "eighty-five billion, three hundred twenty-eight million, fifty-three thousand, one hundred thirty-one".

Divisors: 1 3 17 51 289 867 8069 12197 24207 36591 137173 207349 411519 622047 2331941 3524933 6995823 10574799 98417593 295252779 1673099081 5019297243 28442684377 85328053131