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86147088770 = 25172108924029
BaseRepresentation
bin101000000111011000…
…1000100000110000010
322020100201221112112102
41100032301010012002
52402412123320040
6103324143030402
76136543113131
oct1201661040602
9266321845472
1086147088770
1133597870936
121484259b402
13817b820652
144253315918
152392ead515
hex140ec44182

86147088770 has 32 divisors (see below), whose sum is σ = 164200834800. Its totient is φ = 32428957696.

The previous prime is 86147088751. The next prime is 86147088803. The reversal of 86147088770 is 7788074168.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 86140489009 + 6599761 = 293497^2 + 2569^2 .

It is a super-2 number, since 2×861470887702 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3573116 + ... + 3597144.

Almost surely, 286147088770 is an apocalyptic number.

86147088770 is a deficient number, since it is larger than the sum of its proper divisors (78053746030).

86147088770 is a wasteful number, since it uses less digits than its factorization.

86147088770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45142.

The product of its (nonzero) digits is 4214784, while the sum is 56.

The spelling of 86147088770 in words is "eighty-six billion, one hundred forty-seven million, eighty-eight thousand, seven hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 21089 24029 42178 48058 105445 120145 210890 240290 358513 408493 717026 816986 1792565 2042465 3585130 4084930 506747581 1013495162 2533737905 5067475810 8614708877 17229417754 43073544385 86147088770