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86971100211 = 32317161318899
BaseRepresentation
bin101000011111111100…
…0011010110000110011
322022111011110122201200
41100333320122300303
52411104100201321
6103542020302243
76166140103632
oct1207770326063
9268434418650
1086971100211
113397aa11926
1214a32541983
13828045c798
1442d0931519
1523e04c9d26
hex143fe1ac33

86971100211 has 24 divisors (see below), whose sum is σ = 126106016400. Its totient is φ = 57758940096.

The previous prime is 86971100149. The next prime is 86971100231. The reversal of 86971100211 is 11200117968.

It is not a de Polignac number, because 86971100211 - 26 = 86971100147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86971100231) 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, 4592440 + ... + 4611338.

It is an arithmetic number, because the mean of its divisors is an integer number (5254417350).

Almost surely, 286971100211 is an apocalyptic number.

86971100211 is a deficient number, since it is larger than the sum of its proper divisors (39134916189).

86971100211 is a wasteful number, since it uses less digits than its factorization.

86971100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835 (or 20832 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 86971100211 in words is "eighty-six billion, nine hundred seventy-one million, one hundred thousand, two hundred eleven".

Divisors: 1 3 9 317 951 1613 2853 4839 14517 18899 56697 170091 511321 1533963 4601889 5990983 17972949 30484087 53918847 91452261 274356783 9663455579 28990366737 86971100211