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2190242135 = 5438048427
BaseRepresentation
bin1000001010001100…
…0111000101010111
312122122022211101002
42002203013011113
513441200222020
61001200253515
7105163515404
oct20243070527
95578284332
102190242135
11a24375374
1251161129b
1328b9c6083
1416ac5b2ab
15cc440975
hex828c7157

2190242135 has 4 divisors (see below), whose sum is σ = 2628290568. Its totient is φ = 1752193704.

The previous prime is 2190242123. The next prime is 2190242167. The reversal of 2190242135 is 5312420912.

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 2190242135 - 26 = 2190242071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2190242098 and 2190242107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219024209 + ... + 219024218.

It is an arithmetic number, because the mean of its divisors is an integer number (657072642).

Almost surely, 22190242135 is an apocalyptic number.

2190242135 is a deficient number, since it is larger than the sum of its proper divisors (438048433).

2190242135 is an equidigital number, since it uses as much as digits as its factorization.

2190242135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438048432.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2190242135 is about 46800.0228098235. The cubic root of 2190242135 is about 1298.6657187733.

The spelling of 2190242135 in words is "two billion, one hundred ninety million, two hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 5 438048427 2190242135