Search a number
-
+
109103019287 = 1937919916871
BaseRepresentation
bin110010110011100001…
…0111111010100010111
3101102121120120122011012
41211213002333110113
53241420333104122
6122042104202435
710611450235223
oct1454702772427
9342546518135
10109103019287
11422a78a0239
121918a46941b
13a39971c8a2
1453d0011783
152c884b57e2
hex19670bf517

109103019287 has 16 divisors (see below), whose sum is σ = 117969024000. Its totient is φ = 100550328480.

The previous prime is 109103019251. The next prime is 109103019379. The reversal of 109103019287 is 782910301901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109103019287 - 218 = 109102757143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109103019217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6458462 + ... + 6475332.

It is an arithmetic number, because the mean of its divisors is an integer number (7373064000).

Almost surely, 2109103019287 is an apocalyptic number.

109103019287 is a deficient number, since it is larger than the sum of its proper divisors (8866004713).

109103019287 is a wasteful number, since it uses less digits than its factorization.

109103019287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26126.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 109103019287 in words is "one hundred nine billion, one hundred three million, nineteen thousand, two hundred eighty-seven".

Divisors: 1 19 37 703 9199 16871 174781 320549 340363 624227 6466897 11860313 155196329 2948730251 5742264173 109103019287