Search a number
-
+
23537679049 is a prime number
BaseRepresentation
bin10101111010111101…
…000111101011001001
32020202101021222120201
4111322331013223021
5341201121212144
614451342052201
71462166653663
oct257275075311
966671258521
1023537679049
119a89451715
12468a87a061
1322b15a7551
1411d4091533
1592b61c1d4
hex57af47ac9

23537679049 has 2 divisors, whose sum is σ = 23537679050. Its totient is φ = 23537679048.

The previous prime is 23537679031. The next prime is 23537679083. The reversal of 23537679049 is 94097673532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16360200649 + 7177478400 = 127907^2 + 84720^2 .

It is a cyclic number.

It is not a de Polignac number, because 23537679049 - 27 = 23537678921 is a prime.

It is not a weakly prime, because it can be changed into another prime (23537679449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11768839524 + 11768839525.

It is an arithmetic number, because the mean of its divisors is an integer number (11768839525).

Almost surely, 223537679049 is an apocalyptic number.

It is an amenable number.

23537679049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23537679049 is an equidigital number, since it uses as much as digits as its factorization.

23537679049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 23537679049 in words is "twenty-three billion, five hundred thirty-seven million, six hundred seventy-nine thousand, forty-nine".