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86884125109 = 149957961391
BaseRepresentation
bin101000011101010110…
…0101000100110110101
322022021002210212022121
41100322230220212311
52410414314000414
6103525232155541
76164032610125
oct1207254504665
9268232725277
1086884125109
1133935907181
1214a09398bb1
138268429622
1442c3170c85
1523d7a49724
hex143ab289b5

86884125109 has 4 divisors (see below), whose sum is σ = 86942088000. Its totient is φ = 86826162220.

The previous prime is 86884125073. The next prime is 86884125161. The reversal of 86884125109 is 90152148868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86884125109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86885125109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28979197 + ... + 28982194.

It is an arithmetic number, because the mean of its divisors is an integer number (21735522000).

Almost surely, 286884125109 is an apocalyptic number.

It is an amenable number.

86884125109 is a deficient number, since it is larger than the sum of its proper divisors (57962891).

86884125109 is a wasteful number, since it uses less digits than its factorization.

86884125109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57962890.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 86884125109 in words is "eighty-six billion, eight hundred eighty-four million, one hundred twenty-five thousand, one hundred nine".

Divisors: 1 1499 57961391 86884125109