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2190269219 = 12131805663
BaseRepresentation
bin1000001010001100…
…1101101100100011
312122122101012112012
42002203031230203
513441202103334
61001201023135
7105163660355
oct20243155443
95578335465
102190269219
11a24393756
12511624aab
1328ba054b8
1416ac670d5
15cc4489ce
hex828cdb23

2190269219 has 4 divisors (see below), whose sum is σ = 2192076096. Its totient is φ = 2188462344.

The previous prime is 2190269203. The next prime is 2190269243. The reversal of 2190269219 is 9129620912.

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 2190269219 - 24 = 2190269203 is a prime.

It is a super-2 number, since 2×21902692192 = 9594558503397739922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190269269) 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, 901619 + ... + 904044.

It is an arithmetic number, because the mean of its divisors is an integer number (548019024).

Almost surely, 22190269219 is an apocalyptic number.

2190269219 is a deficient number, since it is larger than the sum of its proper divisors (1806877).

2190269219 is a wasteful number, since it uses less digits than its factorization.

2190269219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806876.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 2190269219 is about 46800.3121677623. The cubic root of 2190269219 is about 1298.6710717457.

The spelling of 2190269219 in words is "two billion, one hundred ninety million, two hundred sixty-nine thousand, two hundred nineteen".

Divisors: 1 1213 1805663 2190269219