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86909222281 = 7175717127747
BaseRepresentation
bin101000011110000110…
…0010111110110001001
322022022212000221011111
41100330030113312021
52410442230103111
6103531530130321
76164456125540
oct1207414276611
9268285027144
1086909222281
1133948a99042
1214a158809a1
1382706a5b1b
1442c6625157
1523d9d55a21
hex143c317d89

86909222281 has 16 divisors (see below), whose sum is σ = 105186681216. Its totient is φ = 70098829056.

The previous prime is 86909222273. The next prime is 86909222299. The reversal of 86909222281 is 18222290968.

It is a cyclic number.

It is not a de Polignac number, because 86909222281 - 23 = 86909222273 is a prime.

It is a super-2 number, since 2×869092222812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86909222201) 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, 616450 + ... + 744196.

It is an arithmetic number, because the mean of its divisors is an integer number (6574167576).

Almost surely, 286909222281 is an apocalyptic number.

It is an amenable number.

86909222281 is a deficient number, since it is larger than the sum of its proper divisors (18277458935).

86909222281 is a wasteful number, since it uses less digits than its factorization.

86909222281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133488.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 86909222281 in words is "eighty-six billion, nine hundred nine million, two hundred twenty-two thousand, two hundred eighty-one".

Divisors: 1 7 17 119 5717 40019 97189 127747 680323 894229 2171699 15201893 730329599 5112307193 12415603183 86909222281