Search a number
-
+
23220151443413 is a prime number
BaseRepresentation
bin1010100011110010111001…
…11000001101111111010101
310001012211021021111212011022
411101321130320031333111
511020414332232142123
6121215105035050525
74614412666460621
oct521713470157725
9101184237455138
1023220151443413
11744267a161681
1227302798a0a45
13cc585ccc3602
145a3c0b6a0181
152a4021c321c8
hex151e5ce0dfd5

23220151443413 has 2 divisors, whose sum is σ = 23220151443414. Its totient is φ = 23220151443412.

The previous prime is 23220151443373. The next prime is 23220151443431. The reversal of 23220151443413 is 31434415102232.

Together with next prime (23220151443431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11865152043889 + 11354999399524 = 3444583^2 + 3369718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23220151443413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23220151043413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610075721706 + 11610075721707.

It is an arithmetic number, because the mean of its divisors is an integer number (11610075721707).

Almost surely, 223220151443413 is an apocalyptic number.

It is an amenable number.

23220151443413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220151443413 is an equidigital number, since it uses as much as digits as its factorization.

23220151443413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 23220151443413 its reverse (31434415102232), we get a palindrome (54654566545645).

The spelling of 23220151443413 in words is "twenty-three trillion, two hundred twenty billion, one hundred fifty-one million, four hundred forty-three thousand, four hundred thirteen".