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2111010130 = 25211101013
BaseRepresentation
bin111110111010011…
…0111010101010010
312110010020102111101
41331310313111102
513310404311010
6545250135014
7103212201325
oct17564672522
95403212441
102111010130
11993679179
124aab8146a
13278474428
141605147bc
15c54de73a
hex7dd37552

2111010130 has 8 divisors (see below), whose sum is σ = 3799818252. Its totient is φ = 844404048.

The previous prime is 2111010089. The next prime is 2111010133. The reversal of 2111010130 is 310101112.

It can be written as a sum of positive squares in 2 ways, for example, as 1997821809 + 113188321 = 44697^2 + 10639^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 211101013 = 2111010130 / (2 + 1 + 1 + 1 + 0 + 1 + 0 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (2111010133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105550497 + ... + 105550516.

Almost surely, 22111010130 is an apocalyptic number.

2111010130 is a deficient number, since it is larger than the sum of its proper divisors (1688808122).

2111010130 is a wasteful number, since it uses less digits than its factorization.

2111010130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211101020.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2111010130 is about 45945.7302695256. The cubic root of 2111010130 is about 1282.8132561037.

Adding to 2111010130 its reverse (310101112), we get a palindrome (2421111242).

The spelling of 2111010130 in words is "two billion, one hundred eleven million, ten thousand, one hundred thirty".

Divisors: 1 2 5 10 211101013 422202026 1055505065 2111010130