Search a number
-
+
28112362103 = 717236238337
BaseRepresentation
bin11010001011101000…
…001001101001110111
32200120012100221222102
4122023220021221313
5430033231041403
620525321252315
72013436064240
oct321350115167
980505327872
1028112362103
1110a16771811
12554693409b
13286029c2b7
14150987bcc7
15ae805db88
hex68ba09a77

28112362103 has 8 divisors (see below), whose sum is σ = 34018320672. Its totient is φ = 22678880256.

The previous prime is 28112362073. The next prime is 28112362151. The reversal of 28112362103 is 30126321182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28112362103 - 216 = 28112296567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112365103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118119050 + ... + 118119287.

It is an arithmetic number, because the mean of its divisors is an integer number (4252290084).

Almost surely, 228112362103 is an apocalyptic number.

28112362103 is a deficient number, since it is larger than the sum of its proper divisors (5905958569).

28112362103 is a wasteful number, since it uses less digits than its factorization.

28112362103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236238361.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 28112362103 its reverse (30126321182), we get a palindrome (58238683285).

The spelling of 28112362103 in words is "twenty-eight billion, one hundred twelve million, three hundred sixty-two thousand, one hundred three".

Divisors: 1 7 17 119 236238337 1653668359 4016051729 28112362103