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2045102999 = 19931026143
BaseRepresentation
bin111100111100101…
…1100101110010111
312021112012222220112
41321321130232113
513142021243444
6534533353235
7101452042262
oct17171345627
95245188815
102045102999
1195a453175
12490a9881b
13267909824
14155879cd9
15be82169e
hex79e5cb97

2045102999 has 4 divisors (see below), whose sum is σ = 2046131136. Its totient is φ = 2044074864.

The previous prime is 2045102987. The next prime is 2045103031. The reversal of 2045102999 is 9992015402.

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 2045102999 - 28 = 2045102743 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 (2045102929) 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, 511079 + ... + 515064.

It is an arithmetic number, because the mean of its divisors is an integer number (511532784).

Almost surely, 22045102999 is an apocalyptic number.

2045102999 is a deficient number, since it is larger than the sum of its proper divisors (1028137).

2045102999 is a wasteful number, since it uses less digits than its factorization.

2045102999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028136.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 2045102999 is about 45222.8150273731. The cubic root of 2045102999 is about 1269.3217696335.

The spelling of 2045102999 in words is "two billion, forty-five million, one hundred two thousand, nine hundred ninety-nine".

Divisors: 1 1993 1026143 2045102999