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86541680733 = 3231696373939
BaseRepresentation
bin101000010011001001…
…0010100000001011101
322021101020102212221120
41100212102110001131
52404214132240413
6103431240321153
76152404102044
oct1204622240135
9267336385846
1086541680733
113377a5826a2
12149327731b9
1382124ba511
14428d8ad55b
1523b7954723
hex142649405d

86541680733 has 16 divisors (see below), whose sum is σ = 120414543360. Its totient is φ = 55181999664.

The previous prime is 86541680713. The next prime is 86541680737. The reversal of 86541680733 is 33708614568.

It is a de Polignac number, because none of the positive numbers 2k-86541680733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86541680737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133478 + ... + 1207416.

It is an arithmetic number, because the mean of its divisors is an integer number (7525908960).

Almost surely, 286541680733 is an apocalyptic number.

It is an amenable number.

86541680733 is a deficient number, since it is larger than the sum of its proper divisors (33872862627).

86541680733 is a wasteful number, since it uses less digits than its factorization.

86541680733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90928.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 86541680733 in words is "eighty-six billion, five hundred forty-one million, six hundred eighty thousand, seven hundred thirty-three".

Divisors: 1 3 23 69 16963 50889 73939 221817 390149 1170447 1700597 5101791 1254227257 3762681771 28847226911 86541680733