Search a number
-
+
105993372919 = 7103369139829
BaseRepresentation
bin110001010110110110…
…0101000010011110111
3101010120212020020021111
41202231230220103313
53214033300413134
6120405341455451
710441420542640
oct1425554502367
9333525206244
10105993372919
1140a5154a965
1218660b71587
139cc23c7c55
1451b70266c7
152b554b3c64
hex18adb284f7

105993372919 has 16 divisors (see below), whose sum is σ = 122347563520. Its totient is φ = 89942775840.

The previous prime is 105993372911. The next prime is 105993372967. The reversal of 105993372919 is 919273399501.

It is a cyclic number.

It is not a de Polignac number, because 105993372919 - 23 = 105993372911 is a prime.

It is a super-2 number, since 2×1059933729192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105993372911) 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, 2641297 + ... + 2681125.

It is an arithmetic number, because the mean of its divisors is an integer number (7646722720).

Almost surely, 2105993372919 is an apocalyptic number.

105993372919 is a deficient number, since it is larger than the sum of its proper divisors (16354190601).

105993372919 is a wasteful number, since it uses less digits than its factorization.

105993372919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43630.

The product of its (nonzero) digits is 4133430, while the sum is 58.

The spelling of 105993372919 in words is "one hundred five billion, nine hundred ninety-three million, three hundred seventy-two thousand, nine hundred nineteen".

Divisors: 1 7 103 721 3691 25837 39829 278803 380173 2661211 4102387 28716709 147008839 1029061873 15141910417 105993372919