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2070900019 = 13731508303
BaseRepresentation
bin111101101101111…
…0110110100110011
312100022202121202201
41323123312310303
513220122300034
6541254324031
7102214234246
oct17333666463
95308677681
102070900019
11972a72921
12499659617
1327006c736
1415907325d
15c1c1a014
hex7b6f6d33

2070900019 has 4 divisors (see below), whose sum is σ = 2072409696. Its totient is φ = 2069390344.

The previous prime is 2070900017. The next prime is 2070900109. The reversal of 2070900019 is 9100090702.

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 2070900019 - 21 = 2070900017 is a prime.

It is a super-2 number, since 2×20709000192 = 8577253777388400722, which contains 22 as substring.

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 2070900019.

It is not an unprimeable number, because it can be changed into a prime (2070900017) 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, 752779 + ... + 755524.

It is an arithmetic number, because the mean of its divisors is an integer number (518102424).

Almost surely, 22070900019 is an apocalyptic number.

2070900019 is a deficient number, since it is larger than the sum of its proper divisors (1509677).

2070900019 is a wasteful number, since it uses less digits than its factorization.

2070900019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509676.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2070900019 is about 45507.1425053255. The cubic root of 2070900019 is about 1274.6365785181.

The spelling of 2070900019 in words is "two billion, seventy million, nine hundred thousand, nineteen".

Divisors: 1 1373 1508303 2070900019