Search a number
-
+
15025022213 is a prime number
BaseRepresentation
bin11011111111000111…
…11010010100000101
31102210010020012201012
431333203322110011
5221232401202323
610522530212005
71041222403325
oct157743722405
942703205635
1015025022213
116410262633
122ab3a24005
131555a9a3b6
14a27699285
155ce108678
hex37f8fa505

15025022213 has 2 divisors, whose sum is σ = 15025022214. Its totient is φ = 15025022212.

The previous prime is 15025022189. The next prime is 15025022239. The reversal of 15025022213 is 31222052051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14829637729 + 195384484 = 121777^2 + 13978^2 .

It is a cyclic number.

It is not a de Polignac number, because 15025022213 - 210 = 15025021189 is a prime.

It is a super-2 number, since 2×150250222132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15025024213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512511106 + 7512511107.

It is an arithmetic number, because the mean of its divisors is an integer number (7512511107).

Almost surely, 215025022213 is an apocalyptic number.

It is an amenable number.

15025022213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15025022213 is an equidigital number, since it uses as much as digits as its factorization.

15025022213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 15025022213 its reverse (31222052051), we get a palindrome (46247074264).

The spelling of 15025022213 in words is "fifteen billion, twenty-five million, twenty-two thousand, two hundred thirteen".