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2493141997 = 23339106823
BaseRepresentation
bin1001010010011010…
…0101001111101101
320102202021201212111
42110212211033231
520101221020442
61051220404021
7115532233363
oct22446451755
96382251774
102493141997
11106a34a535
12596b46611
1330969aa68
14199187633
15e8d23b17
hex949a53ed

2493141997 has 4 divisors (see below), whose sum is σ = 2493272160. Its totient is φ = 2493011836.

The previous prime is 2493141991. The next prime is 2493142009. The reversal of 2493141997 is 7991413942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2493141997 - 211 = 2493139949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2493141997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493141991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30073 + ... + 76750.

It is an arithmetic number, because the mean of its divisors is an integer number (623318040).

Almost surely, 22493141997 is an apocalyptic number.

It is an amenable number.

2493141997 is a deficient number, since it is larger than the sum of its proper divisors (130163).

2493141997 is a wasteful number, since it uses less digits than its factorization.

2493141997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130162.

The product of its digits is 489888, while the sum is 49.

The square root of 2493141997 is about 49931.3728731746. The cubic root of 2493141997 is about 1355.9666394872.

The spelling of 2493141997 in words is "two billion, four hundred ninety-three million, one hundred forty-one thousand, nine hundred ninety-seven".

Divisors: 1 23339 106823 2493141997