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86285257250557 = 4871353491309039
BaseRepresentation
bin10011100111100111011010…
…000110111001011011111101
3102022111210022221020100000011
4103213213122012321123331
542302144201324004212
6503302522220303221
724113622053215321
oct2347473206713375
9368453287210004
1086285257250557
11255474102a1a42
1298167b20a1b11
13391b884885521
14174432b907981
159e9726b334a7
hex4e79da1b96fd

86285257250557 has 8 divisors (see below), whose sum is σ = 86463139232000. Its totient is φ = 86107378158864.

The previous prime is 86285257250503. The next prime is 86285257250579. The reversal of 86285257250557 is 75505275258268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86285257250557 - 27 = 86285257250429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86285257250492 and 86285257250501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86285257253557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65260444 + ... + 66569482.

It is an arithmetic number, because the mean of its divisors is an integer number (10807892404000).

Almost surely, 286285257250557 is an apocalyptic number.

It is an amenable number.

86285257250557 is a deficient number, since it is larger than the sum of its proper divisors (177881981443).

86285257250557 is a wasteful number, since it uses less digits than its factorization.

86285257250557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444875.

The product of its (nonzero) digits is 470400000, while the sum is 67.

The spelling of 86285257250557 in words is "eighty-six trillion, two hundred eighty-five billion, two hundred fifty-seven million, two hundred fifty thousand, five hundred fifty-seven".

Divisors: 1 487 135349 1309039 65914963 637501993 177177119611 86285257250557