Search a number
-
+
20152342333 is a prime number
BaseRepresentation
bin10010110001001011…
…000101011100111101
31221000110012001122101
4102301023011130331
5312232444423313
613131410345101
71312252040434
oct226113053475
957013161571
1020152342333
118601521082
123aa4b8b191
131b92116a26
14d9262011b
157ce30e5dd
hex4b12c573d

20152342333 has 2 divisors, whose sum is σ = 20152342334. Its totient is φ = 20152342332.

The previous prime is 20152342319. The next prime is 20152342361. The reversal of 20152342333 is 33324325102.

It is an a-pointer prime, because the next prime (20152342361) can be obtained adding 20152342333 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18758589444 + 1393752889 = 136962^2 + 37333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20152342333 is a prime.

It is a super-2 number, since 2×201523423332 (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 (20152342303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076171166 + 10076171167.

It is an arithmetic number, because the mean of its divisors is an integer number (10076171167).

Almost surely, 220152342333 is an apocalyptic number.

It is an amenable number.

20152342333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20152342333 is an equidigital number, since it uses as much as digits as its factorization.

20152342333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 20152342333 its reverse (33324325102), we get a palindrome (53476667435).

The spelling of 20152342333 in words is "twenty billion, one hundred fifty-two million, three hundred forty-two thousand, three hundred thirty-three".