Search a number
-
+
64889010672001 = 110475873903383
BaseRepresentation
bin11101100000100001001100…
…11011100101000110000001
322111202022212201111121010121
432300100212123211012001
532001120143213001001
6350001333332300241
716445035114115125
oct1660204633450601
9274668781447117
1064889010672001
111974830296480a
12733bb12471681
132a290134a4079
141204905769585
15777da34076a1
hex3b04266e5181

64889010672001 has 4 divisors (see below), whose sum is σ = 64894884586432. Its totient is φ = 64883136757572.

The previous prime is 64889010671893. The next prime is 64889010672043. The reversal of 64889010672001 is 10027601098846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64889010672001 - 213 = 64889010663809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64889010672001.

It is not an unprimeable number, because it can be changed into a prime (64889010675001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936940645 + ... + 2936962738.

It is an arithmetic number, because the mean of its divisors is an integer number (16223721146608).

Almost surely, 264889010672001 is an apocalyptic number.

It is an amenable number.

64889010672001 is a deficient number, since it is larger than the sum of its proper divisors (5873914431).

64889010672001 is a wasteful number, since it uses less digits than its factorization.

64889010672001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873914430.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 64889010672001 in words is "sixty-four trillion, eight hundred eighty-nine billion, ten million, six hundred seventy-two thousand, one".

Divisors: 1 11047 5873903383 64889010672001