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4040102987 = 4798434453
BaseRepresentation
bin1111000011001111…
…0001010001001011
3101102120011111101222
43300303301101023
531233231243422
61504521232255
7202055210624
oct36063612113
911376144358
104040102987
111793595198
1294903268b
134c50230ab
142a47d2a4b
15189a47842
hexf0cf144b

4040102987 has 4 divisors (see below), whose sum is σ = 4048537920. Its totient is φ = 4031668056.

The previous prime is 4040102951. The next prime is 4040103007. The reversal of 4040102987 is 7892010404.

4040102987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4040102987 - 26 = 4040102923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040102387) 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, 4216748 + ... + 4217705.

It is an arithmetic number, because the mean of its divisors is an integer number (1012134480).

Almost surely, 24040102987 is an apocalyptic number.

4040102987 is a deficient number, since it is larger than the sum of its proper divisors (8434933).

4040102987 is an equidigital number, since it uses as much as digits as its factorization.

4040102987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434932.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 4040102987 is about 63561.8044662044. The cubic root of 4040102987 is about 1592.6883816426.

The spelling of 4040102987 in words is "four billion, forty million, one hundred two thousand, nine hundred eighty-seven".

Divisors: 1 479 8434453 4040102987