Search a number
-
+
64114718360621 = 174780243702579
BaseRepresentation
bin11101001001111110111110…
…00000110100010000101101
322102000022021221220202020112
432210333133000310100231
531400423420400014441
6344205521153025405
716335064330060445
oct1644773700642055
9272008257822215
1064114718360621
1119479999057a75
127235a41555265
1329a0cb8562a86
1411b9251767125
15762b86ec84eb
hex3a4fdf03442d

64114718360621 has 8 divisors (see below), whose sum is σ = 69330559029120. Its totient is φ = 59059365097408.

The previous prime is 64114718360551. The next prime is 64114718360633. The reversal of 64114718360621 is 12606381741146.

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 64114718360621 - 218 = 64114718098477 is a prime.

It is a super-2 number, since 2×641147183606212 (a number of 28 digits) contains 22 as substring.

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 64114718360621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64114718360321) 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, 40121850491 + ... + 40121852088.

It is an arithmetic number, because the mean of its divisors is an integer number (8666319878640).

Almost surely, 264114718360621 is an apocalyptic number.

It is an amenable number.

64114718360621 is a deficient number, since it is larger than the sum of its proper divisors (5215840668499).

64114718360621 is a wasteful number, since it uses less digits than its factorization.

64114718360621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80243702643.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 64114718360621 in words is "sixty-four trillion, one hundred fourteen billion, seven hundred eighteen million, three hundred sixty thousand, six hundred twenty-one".

Divisors: 1 17 47 799 80243702579 1364142943843 3771454021213 64114718360621