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2090106019 = 10120694119
BaseRepresentation
bin111110010010100…
…0111110010100011
312101122220101110001
41330211013302203
513240031343034
6543222120431
7102536415361
oct17445076243
95348811401
102090106019
119828a0651
124a3b80117
13274035631
1415b832631
15c3760a14
hex7c947ca3

2090106019 has 4 divisors (see below), whose sum is σ = 2110800240. Its totient is φ = 2069411800.

The previous prime is 2090106017. The next prime is 2090106037. The reversal of 2090106019 is 9106010902.

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 2090106019 - 21 = 2090106017 is a prime.

It is a super-2 number, since 2×20901060192 = 8737086341320056722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090106017) 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, 10346959 + ... + 10347160.

It is an arithmetic number, because the mean of its divisors is an integer number (527700060).

Almost surely, 22090106019 is an apocalyptic number.

2090106019 is a deficient number, since it is larger than the sum of its proper divisors (20694221).

2090106019 is a wasteful number, since it uses less digits than its factorization.

2090106019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20694220.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2090106019 is about 45717.6773141418. The cubic root of 2090106019 is about 1278.5648830654.

The spelling of 2090106019 in words is "two billion, ninety million, one hundred six thousand, nineteen".

Divisors: 1 101 20694119 2090106019