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2142220033 = 3242366071
BaseRepresentation
bin111111110101111…
…1010111100000001
312112021222001102201
41333223322330001
513341402020113
6552323113201
7104041366312
oct17753727401
95467861381
102142220033
119aa255688
124b9512801
13281a81025
1416471a609
15c8106cdd
hex7fafaf01

2142220033 has 4 divisors (see below), whose sum is σ = 2142318528. Its totient is φ = 2142121540.

The previous prime is 2142220019. The next prime is 2142220039. The reversal of 2142220033 is 3300222412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142220033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142220039) 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, 613 + ... + 65458.

It is an arithmetic number, because the mean of its divisors is an integer number (535579632).

Almost surely, 22142220033 is an apocalyptic number.

It is an amenable number.

2142220033 is a deficient number, since it is larger than the sum of its proper divisors (98495).

2142220033 is an equidigital number, since it uses as much as digits as its factorization.

2142220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98494.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2142220033 is about 46284.1229040802. The cubic root of 2142220033 is about 1289.1042061275.

Adding to 2142220033 its reverse (3300222412), we get a palindrome (5442442445).

The spelling of 2142220033 in words is "two billion, one hundred forty-two million, two hundred twenty thousand, thirty-three".

Divisors: 1 32423 66071 2142220033