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2542140707 = 5347964919
BaseRepresentation
bin1001011110000101…
…1111110100100011
320120011111010110112
42113201133310203
520201242000312
61100130521535
7116665560641
oct22741376443
96504433415
102542140707
111094a76a37
125ab4362ab
13316895492
141a18a0191
15ed2a1d22
hex9785fd23

2542140707 has 4 divisors (see below), whose sum is σ = 2590105680. Its totient is φ = 2494175736.

The previous prime is 2542140697. The next prime is 2542140737. The reversal of 2542140707 is 7070412452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2542140707 - 210 = 2542139683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542140737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23982407 + ... + 23982512.

It is an arithmetic number, because the mean of its divisors is an integer number (647526420).

Almost surely, 22542140707 is an apocalyptic number.

2542140707 is a deficient number, since it is larger than the sum of its proper divisors (47964973).

2542140707 is an equidigital number, since it uses as much as digits as its factorization.

2542140707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47964972.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2542140707 is about 50419.6460419944. The cubic root of 2542140707 is about 1364.7921891997.

The spelling of 2542140707 in words is "two billion, five hundred forty-two million, one hundred forty thousand, seven hundred seven".

Divisors: 1 53 47964919 2542140707