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2672638907 = 10924519623
BaseRepresentation
bin1001111101001101…
…0011101110111011
320220021001010100012
42133103103232323
520433143421112
61121111532135
7123142025111
oct23723235673
96807033305
102672638907
1111516a9194
1262708a04b
13337926953
141b4d4dab1
1510997d022
hex9f4d3bbb

2672638907 has 4 divisors (see below), whose sum is σ = 2697158640. Its totient is φ = 2648119176.

The previous prime is 2672638889. The next prime is 2672638919. The reversal of 2672638907 is 7098362762.

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 2672638907 - 220 = 2671590331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2672638307) 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, 12259703 + ... + 12259920.

It is an arithmetic number, because the mean of its divisors is an integer number (674289660).

Almost surely, 22672638907 is an apocalyptic number.

2672638907 is a deficient number, since it is larger than the sum of its proper divisors (24519733).

2672638907 is a wasteful number, since it uses less digits than its factorization.

2672638907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24519732.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 2672638907 is about 51697.5715773962. The cubic root of 2672638907 is about 1387.7570068731.

The spelling of 2672638907 in words is "two billion, six hundred seventy-two million, six hundred thirty-eight thousand, nine hundred seven".

Divisors: 1 109 24519623 2672638907