Search a number
-
+
2542031999 = 131511294973
BaseRepresentation
bin1001011110000100…
…0101010001111111
320120011021121100022
42113201011101333
520201230010444
61100124322355
7116664626003
oct22741052177
96504247308
102542031999
111094a022a1
125ab3a33bb
13316857b60
141a1872703
15ed27e9ee
hex9784547f

2542031999 has 8 divisors (see below), whose sum is σ = 2755704672. Its totient is φ = 2330949600.

The previous prime is 2542031959. The next prime is 2542032019. The reversal of 2542031999 is 9991302452.

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 2542031999 - 228 = 2273596543 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 (2542031929) 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, 645524 + ... + 649449.

It is an arithmetic number, because the mean of its divisors is an integer number (344463084).

Almost surely, 22542031999 is an apocalyptic number.

2542031999 is a deficient number, since it is larger than the sum of its proper divisors (213672673).

2542031999 is a wasteful number, since it uses less digits than its factorization.

2542031999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295137.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 2542031999 is about 50418.5679983079. The cubic root of 2542031999 is about 1364.7727349994.

The spelling of 2542031999 in words is "two billion, five hundred forty-two million, thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 13 151 1963 1294973 16834649 195540923 2542031999