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2542496143 = 111182119553
BaseRepresentation
bin1001011110001011…
…0110100110001111
320120012011012000211
42113202312212033
520201334334033
61100142303251
7120001601125
oct22742664617
96505135024
102542496143
111095199a90
125ab587b27
1331698b1b5
141a1953915
15ed3222cd
hex978b698f

2542496143 has 8 divisors (see below), whose sum is σ = 2774008656. Its totient is φ = 2311046400.

The previous prime is 2542496137. The next prime is 2542496147. The reversal of 2542496143 is 3416942452.

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 2542496143 - 213 = 2542487951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542496096 and 2542496105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542496147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120255 + ... + 139807.

It is an arithmetic number, because the mean of its divisors is an integer number (346751082).

Almost surely, 22542496143 is an apocalyptic number.

2542496143 is a deficient number, since it is larger than the sum of its proper divisors (231512513).

2542496143 is a wasteful number, since it uses less digits than its factorization.

2542496143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31385.

The product of its digits is 207360, while the sum is 40.

The square root of 2542496143 is about 50423.1706956237. The cubic root of 2542496143 is about 1364.8557935561.

The spelling of 2542496143 in words is "two billion, five hundred forty-two million, four hundred ninety-six thousand, one hundred forty-three".

Divisors: 1 11 11821 19553 130031 215083 231136013 2542496143