Search a number
-
+
18452234339 = 721158512
BaseRepresentation
bin10001001011110101…
…101100000001100011
31202121222010121220122
4101023311230001203
5300242232444324
612250555230455
71222156255400
oct211365540143
952558117818
1018452234339
117909894850
1236ab74842b
131980b30276
14c7090b2a7
1572ee38a5e
hex44bd6c063

18452234339 has 18 divisors (see below), whose sum is σ = 23420196252. Its totient is φ = 14375907000.

The previous prime is 18452234291. The next prime is 18452234341. The reversal of 18452234339 is 93343225481.

It is not a de Polignac number, because 18452234339 - 212 = 18452230243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18452234339.

It is not an unprimeable number, because it can be changed into a prime (18452234039) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3150764 + ... + 3156614.

It is an arithmetic number, because the mean of its divisors is an integer number (1301122014).

Almost surely, 218452234339 is an apocalyptic number.

18452234339 is a deficient number, since it is larger than the sum of its proper divisors (4967961913).

18452234339 is an frugal number, since it uses more digits than its factorization.

18452234339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727 (or 5869 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

Multiplying 18452234339 by its sum of digits (44), we get a square (811898310916 = 9010542).

The spelling of 18452234339 in words is "eighteen billion, four hundred fifty-two million, two hundred thirty-four thousand, three hundred thirty-nine".

Divisors: 1 7 11 49 77 539 5851 40957 64361 286699 450527 3153689 34234201 239639407 376576211 1677475849 2636033477 18452234339