Search a number
-
+
142222000331 = 858291657039
BaseRepresentation
bin1000010001110100010…
…1111000000011001011
3111121002200210012011202
42010131011320003023
54312232313002311
6145200315014415
713163252025245
oct2043505700313
9447080705152
10142222000331
115535267a954
1223691a3a40b
13105470273a8
146c52795095
153a75d36e3b
hex211d1780cb

142222000331 has 4 divisors (see below), whose sum is σ = 142223743200. Its totient is φ = 142220257464.

The previous prime is 142222000307. The next prime is 142222000343. The reversal of 142222000331 is 133000222241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133000222241 = 332219400339.

It is a cyclic number.

It is not a de Polignac number, because 142222000331 - 230 = 141148258507 is a prime.

It is a super-2 number, since 2×1422220003312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142222002331) 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, 742691 + ... + 914348.

It is an arithmetic number, because the mean of its divisors is an integer number (35555935800).

Almost surely, 2142222000331 is an apocalyptic number.

142222000331 is a deficient number, since it is larger than the sum of its proper divisors (1742869).

142222000331 is an equidigital number, since it uses as much as digits as its factorization.

142222000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742868.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 142222000331 its reverse (133000222241), we get a palindrome (275222222572).

The spelling of 142222000331 in words is "one hundred forty-two billion, two hundred twenty-two million, three hundred thirty-one", and thus it is an aban number.

Divisors: 1 85829 1657039 142222000331