Search a number
-
+
2498243930785 = 52571944158701
BaseRepresentation
bin100100010110101010111…
…100010010101010100001
322211211101220201000010001
4210112222330102222201
5311412400421241120
65151402153340001
7345330546016201
oct44265274225241
98754356630101
102498243930785
1188355462a509
12344214a07601
13151777933b25
1488cb6794401
1544eb9883e0a
hex245aaf12aa1

2498243930785 has 8 divisors (see below), whose sum is σ = 3009557670696. Its totient is φ = 1990818508800.

The previous prime is 2498243930773. The next prime is 2498243930813. The reversal of 2498243930785 is 5870393428942.

It can be written as a sum of positive squares in 4 ways, for example, as 1749397731904 + 748846198881 = 1322648^2 + 865359^2 .

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

It is not a de Polignac number, because 2498243930785 - 25 = 2498243930753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 972078066 + ... + 972080635.

It is an arithmetic number, because the mean of its divisors is an integer number (376194708837).

Almost surely, 22498243930785 is an apocalyptic number.

It is an amenable number.

2498243930785 is a deficient number, since it is larger than the sum of its proper divisors (511313739911).

2498243930785 is a wasteful number, since it uses less digits than its factorization.

2498243930785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944158963.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 2498243930785 in words is "two trillion, four hundred ninety-eight billion, two hundred forty-three million, nine hundred thirty thousand, seven hundred eighty-five".

Divisors: 1 5 257 1285 1944158701 9720793505 499648786157 2498243930785