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2492743698 = 232138485761
BaseRepresentation
bin1001010010010100…
…0100000000010010
320102201112111111200
42110211010000102
520101120244243
61051204052030
7115525654224
oct22445040022
96381474450
102492743698
11106a0a8265
12596994016
1330958b693
141990c2414
15e8c95ad3
hex94944012

2492743698 has 12 divisors (see below), whose sum is σ = 5400944718. Its totient is φ = 830914560.

The previous prime is 2492743621. The next prime is 2492743699. The reversal of 2492743698 is 8963472942.

2492743698 is a `hidden beast` number, since 2 + 4 + 9 + 274 + 369 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2240791569 + 251952129 = 47337^2 + 15873^2 .

It is a super-2 number, since 2×24927436982 = 12427542287837430408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2492743699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69242863 + ... + 69242898.

Almost surely, 22492743698 is an apocalyptic number.

2492743698 is an abundant number, since it is smaller than the sum of its proper divisors (2908201020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2492743698 is a wasteful number, since it uses less digits than its factorization.

2492743698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138485769 (or 138485766 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 2492743698 is about 49927.3842495278. The cubic root of 2492743698 is about 1355.8944268709.

The spelling of 2492743698 in words is "two billion, four hundred ninety-two million, seven hundred forty-three thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 9 18 138485761 276971522 415457283 830914566 1246371849 2492743698