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3138454087 = 6151450067
BaseRepresentation
bin1011101100010001…
…0000001001000111
322002201112222122021
42323010100021013
522411421012322
61235231544011
7140526263626
oct27304201107
98081488567
103138454087
11137063700a
1273708b007
133b02a0032
1421ab676bd
151357e24c7
hexbb110247

3138454087 has 4 divisors (see below), whose sum is σ = 3189904216. Its totient is φ = 3087003960.

The previous prime is 3138454079. The next prime is 3138454097. The reversal of 3138454087 is 7804548313.

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 3138454087 - 23 = 3138454079 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 (3138454057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25724973 + ... + 25725094.

It is an arithmetic number, because the mean of its divisors is an integer number (797476054).

Almost surely, 23138454087 is an apocalyptic number.

3138454087 is a deficient number, since it is larger than the sum of its proper divisors (51450129).

3138454087 is an equidigital number, since it uses as much as digits as its factorization.

3138454087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51450128.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 3138454087 is about 56021.9072060208. The cubic root of 3138454087 is about 1464.1039980007.

The spelling of 3138454087 in words is "three billion, one hundred thirty-eight million, four hundred fifty-four thousand, eighty-seven".

Divisors: 1 61 51450067 3138454087