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85015253507 = 4713811309801
BaseRepresentation
bin100111100101101001…
…1011101001000000011
322010102212012100102212
41033023103131020003
52343102401103012
6103015551532335
76066520505642
oct1171323351003
9263385170385
1085015253507
1133066992298
121458752a0ab
13802b1a4542
144186c8b359
152328939b22
hex13cb4dd203

85015253507 has 8 divisors (see below), whose sum is σ = 86887025472. Its totient is φ = 83146104000.

The previous prime is 85015253503. The next prime is 85015253509. The reversal of 85015253507 is 70535251058.

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 85015253507 - 22 = 85015253503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85015253503) 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, 589994 + ... + 719807.

It is an arithmetic number, because the mean of its divisors is an integer number (10860878184).

Almost surely, 285015253507 is an apocalyptic number.

85015253507 is a deficient number, since it is larger than the sum of its proper divisors (1871771965).

85015253507 is a wasteful number, since it uses less digits than its factorization.

85015253507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311229.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 85015253507 in words is "eighty-five billion, fifteen million, two hundred fifty-three thousand, five hundred seven".

Divisors: 1 47 1381 64907 1309801 61560647 1808835181 85015253507