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2130443101 = 3168723971
BaseRepresentation
bin111111011111011…
…1111101101011101
312111110210201112001
41332332333231131
513330343134401
6551222442301
7103536316243
oct17676775535
95443721461
102130443101
119a3641486
124b5593391
1327c4b9727
14162d32793
15c707c601
hex7efbfb5d

2130443101 has 4 divisors (see below), whose sum is σ = 2199167104. Its totient is φ = 2061719100.

The previous prime is 2130443099. The next prime is 2130443113. The reversal of 2130443101 is 1013440312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2130443101 - 21 = 2130443099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130443801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34361955 + ... + 34362016.

It is an arithmetic number, because the mean of its divisors is an integer number (549791776).

Almost surely, 22130443101 is an apocalyptic number.

It is an amenable number.

2130443101 is a deficient number, since it is larger than the sum of its proper divisors (68724003).

2130443101 is an equidigital number, since it uses as much as digits as its factorization.

2130443101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68724002.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2130443101 is about 46156.7232480816. The cubic root of 2130443101 is about 1286.7375649393.

Adding to 2130443101 its reverse (1013440312), we get a palindrome (3143883413).

The spelling of 2130443101 in words is "two billion, one hundred thirty million, four hundred forty-three thousand, one hundred one".

Divisors: 1 31 68723971 2130443101