Search a number
-
+
86257806043 = 4717167106907
BaseRepresentation
bin101000001010101011…
…1011010101011011011
322020122110021120002011
41100111113122223123
52403123444243133
6103343140050351
76142356153043
oct1202527325333
9266573246064
1086257806043
1133644312412
12148736939b7
138198747326
144263cd6723
15239ca7d6cd
hex14155daadb

86257806043 has 8 divisors (see below), whose sum is σ = 88099034112. Its totient is φ = 84416826216.

The previous prime is 86257805971. The next prime is 86257806049. The reversal of 86257806043 is 34060875268.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86257806043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86257806049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753396 + ... + 860302.

It is an arithmetic number, because the mean of its divisors is an integer number (11012379264).

Almost surely, 286257806043 is an apocalyptic number.

86257806043 is a deficient number, since it is larger than the sum of its proper divisors (1841228069).

86257806043 is a wasteful number, since it uses less digits than its factorization.

86257806043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124121.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 86257806043 in words is "eighty-six billion, two hundred fifty-seven million, eight hundred six thousand, forty-three".

Divisors: 1 47 17167 106907 806849 5024629 1835272469 86257806043