Search a number
-
+
2112120011 = 19365316759
BaseRepresentation
bin111110111100100…
…0110010011001011
312110012022210222002
41331321012103023
513311200320021
6545330021215
7103224503201
oct17571062313
95405283862
102112120011
11994267031
124ab41780b
13278772671
14160723071
15c565d50b
hex7de464cb

2112120011 has 8 divisors (see below), whose sum is σ = 2126441760. Its totient is φ = 2097833472.

The previous prime is 2112119959. The next prime is 2112120019. The reversal of 2112120011 is 1100212112.

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 2112120011 - 222 = 2107925707 is a prime.

It is a super-2 number, since 2×21121200112 = 8922101881733280242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112119974 and 2112120001.

It is not an unprimeable number, because it can be changed into a prime (2112120019) 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, 117650 + ... + 134408.

It is an arithmetic number, because the mean of its divisors is an integer number (265805220).

Almost surely, 22112120011 is an apocalyptic number.

2112120011 is a deficient number, since it is larger than the sum of its proper divisors (14321749).

2112120011 is a wasteful number, since it uses less digits than its factorization.

2112120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17605.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112120011 is about 45957.8068558542. The cubic root of 2112120011 is about 1283.0380332680.

Adding to 2112120011 its reverse (1100212112), we get a palindrome (3212332123).

The spelling of 2112120011 in words is "two billion, one hundred twelve million, one hundred twenty thousand, eleven".

Divisors: 1 193 653 16759 126029 3234487 10943627 2112120011