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2145140103 = 32331088987
BaseRepresentation
bin111111111011100…
…0011110110000111
312112111110102000110
41333313003312013
513343123440403
6552505444103
7104105250531
oct17767036607
95474412013
102145140103
11a0096a567
124ba4a0633
13282564192
14164c7a851
15c84d2103
hex7fdc3d87

2145140103 has 8 divisors (see below), whose sum is σ = 2984542848. Its totient is φ = 1367915384.

The previous prime is 2145140099. The next prime is 2145140161. The reversal of 2145140103 is 3010415412.

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 2145140103 - 22 = 2145140099 is a prime.

It is a super-2 number, since 2×21451401032 = 9203252122997701218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2145140103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145140003) 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, 15544425 + ... + 15544562.

It is an arithmetic number, because the mean of its divisors is an integer number (373067856).

Almost surely, 22145140103 is an apocalyptic number.

2145140103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2145140103 is a deficient number, since it is larger than the sum of its proper divisors (839402745).

2145140103 is a wasteful number, since it uses less digits than its factorization.

2145140103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31089013.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2145140103 is about 46315.6572122214. The cubic root of 2145140103 is about 1289.6896681542.

Adding to 2145140103 its reverse (3010415412), we get a palindrome (5155555515).

The spelling of 2145140103 in words is "two billion, one hundred forty-five million, one hundred forty thousand, one hundred three".

Divisors: 1 3 23 69 31088987 93266961 715046701 2145140103