Search a number
-
+
86894984027461 = 498739717422913
BaseRepresentation
bin10011110000011111010000…
…101001111101110101000101
3102101200002010211201211222211
4103300133100221331311011
542342141411402334321
6504451000553223421
724205645465261441
oct2360372051756505
9371602124654884
1086894984027461
1125761a57154a35
1298b49b6401b71
13396421471930c
141765a4d90b821
15a0a51088e0e1
hex4f07d0a7dd45

86894984027461 has 4 divisors (see below), whose sum is σ = 86895006437772. Its totient is φ = 86894961617152.

The previous prime is 86894984027447. The next prime is 86894984027477. The reversal of 86894984027461 is 16472048949868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26160861923361 + 60734122104100 = 5114769^2 + 7793210^2 .

It is a cyclic number.

It is not a de Polignac number, because 86894984027461 - 213 = 86894984019269 is a prime.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86894984025461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724060 + ... + 13698853.

It is an arithmetic number, because the mean of its divisors is an integer number (21723751609443).

Almost surely, 286894984027461 is an apocalyptic number.

It is an amenable number.

86894984027461 is a deficient number, since it is larger than the sum of its proper divisors (22410311).

86894984027461 is a wasteful number, since it uses less digits than its factorization.

86894984027461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22410310.

The product of its (nonzero) digits is 1337720832, while the sum is 76.

The spelling of 86894984027461 in words is "eighty-six trillion, eight hundred ninety-four billion, nine hundred eighty-four million, twenty-seven thousand, four hundred sixty-one".

Divisors: 1 4987397 17422913 86894984027461