Search a number
-
+
2560455704469 = 313193455405809
BaseRepresentation
bin100101010000100111000…
…011010111111110010101
3100001202222120010112222010
4211100213003113332111
5313422303130020334
65240131311454433
7352662323250525
oct45204703277625
910052876115863
102560455704469
118a7979548903
12354297527419
131575b0685630
148bcd8cab685
154690b37c0e9
hex254270d7f95

2560455704469 has 16 divisors (see below), whose sum is σ = 3870054507200. Its totient is φ = 1492735309056.

The previous prime is 2560455704423. The next prime is 2560455704503. The reversal of 2560455704469 is 9644075540652.

It is a happy number.

It is not a de Polignac number, because 2560455704469 - 215 = 2560455671701 is a prime.

It is a super-2 number, since 2×25604557044692 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560455704969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1727702164 + ... + 1727703645.

It is an arithmetic number, because the mean of its divisors is an integer number (241878406700).

Almost surely, 22560455704469 is an apocalyptic number.

It is an amenable number.

2560455704469 is a deficient number, since it is larger than the sum of its proper divisors (1309598802731).

2560455704469 is a wasteful number, since it uses less digits than its factorization.

2560455704469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455405844.

The product of its (nonzero) digits is 36288000, while the sum is 57.

The spelling of 2560455704469 in words is "two trillion, five hundred sixty billion, four hundred fifty-five million, seven hundred four thousand, four hundred sixty-nine".

Divisors: 1 3 13 19 39 57 247 741 3455405809 10366217427 44920275517 65652710371 134760826551 196958131113 853485234823 2560455704469