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86195059972 = 22711321271919
BaseRepresentation
bin101000001000110100…
…0000011110100000100
322020111002012201122121
41100101220003310010
52403011413404342
6103333015135324
76140664630640
oct1202150036404
9266432181577
1086195059972
113361195635a
1214856674544
138188748488
144259841c20
1523972d7067
hex1411a03d04

86195059972 has 24 divisors (see below), whose sum is σ = 172405981440. Its totient is φ = 36937341120.

The previous prime is 86195059961. The next prime is 86195059991. The reversal of 86195059972 is 27995059168.

It is a self number, because there is not a number n which added to its sum of digits gives 86195059972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181029 + ... + 452947.

It is an arithmetic number, because the mean of its divisors is an integer number (7183582560).

Almost surely, 286195059972 is an apocalyptic number.

It is an amenable number.

86195059972 is an abundant number, since it is smaller than the sum of its proper divisors (86210921468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86195059972 is a wasteful number, since it uses less digits than its factorization.

86195059972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283251 (or 283249 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 61.

The spelling of 86195059972 in words is "eighty-six billion, one hundred ninety-five million, fifty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 11321 22642 45284 79247 158494 271919 316988 543838 1087676 1903433 3806866 7613732 3078394999 6156789998 12313579996 21548764993 43097529986 86195059972