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2542343863 = 17253958901
BaseRepresentation
bin1001011110001001…
…0001011010110111
320120011212110010211
42113202101122313
520201320000423
61100135130251
7120000365143
oct22742213267
96504773124
102542343863
1110950a5634
125ab513987
13316936aa7
141a1914223
15ed2e210d
hex978916b7

2542343863 has 8 divisors (see below), whose sum is σ = 2692999440. Its totient is φ = 2391811200.

The previous prime is 2542343857. The next prime is 2542343879. The reversal of 2542343863 is 3683432452.

It is a happy number.

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 2542343863 - 229 = 2005472951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542343813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13713 + ... + 72613.

It is an arithmetic number, because the mean of its divisors is an integer number (336624930).

Almost surely, 22542343863 is an apocalyptic number.

2542343863 is a deficient number, since it is larger than the sum of its proper divisors (150655577).

2542343863 is a wasteful number, since it uses less digits than its factorization.

2542343863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61457.

The product of its digits is 414720, while the sum is 40.

The square root of 2542343863 is about 50421.6606529376. The cubic root of 2542343863 is about 1364.8285441683.

The spelling of 2542343863 in words is "two billion, five hundred forty-two million, three hundred forty-three thousand, eight hundred sixty-three".

Divisors: 1 17 2539 43163 58901 1001317 149549639 2542343863