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2490118399 = 21111801509
BaseRepresentation
bin1001010001101100…
…0011000011111111
320102112121010021101
42110123003003333
520044432242044
61051031513531
7115464441256
oct22433030377
96375533241
102490118399
11106867489a
12595b288a7
13308b7c752
141989db79d
15e8927cd4
hex946c30ff

2490118399 has 4 divisors (see below), whose sum is σ = 2501920120. Its totient is φ = 2478316680.

The previous prime is 2490118373. The next prime is 2490118409. The reversal of 2490118399 is 9938110942.

It is a happy number.

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 2490118399 - 217 = 2489987327 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 (2490118339) 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, 5900544 + ... + 5900965.

It is an arithmetic number, because the mean of its divisors is an integer number (625480030).

Almost surely, 22490118399 is an apocalyptic number.

2490118399 is a deficient number, since it is larger than the sum of its proper divisors (11801721).

2490118399 is a wasteful number, since it uses less digits than its factorization.

2490118399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801720.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 2490118399 is about 49901.0861505038. The cubic root of 2490118399 is about 1355.4182609690.

The spelling of 2490118399 in words is "two billion, four hundred ninety million, one hundred eighteen thousand, three hundred ninety-nine".

Divisors: 1 211 11801509 2490118399