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2144122104 = 23389338421
BaseRepresentation
bin111111111001100…
…1011010011111000
312112102112200120210
41333303023103320
513342343401404
6552431551120
7104063510565
oct17763132370
95472480523
102144122104
11a00334743
124ba08b4a0
13282298a07
14164a9386c
15c8380689
hex7fccb4f8

2144122104 has 16 divisors (see below), whose sum is σ = 5360305320. Its totient is φ = 714707360.

The previous prime is 2144122103. The next prime is 2144122111. The reversal of 2144122104 is 4012214412.

It is a super-2 number, since 2×21441221042 = 9194519193722773632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144122103) 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, 44669187 + ... + 44669234.

Almost surely, 22144122104 is an apocalyptic number.

2144122104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2144122104 is an abundant number, since it is smaller than the sum of its proper divisors (3216183216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144122104 is a wasteful number, since it uses less digits than its factorization.

2144122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89338430 (or 89338426 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2144122104 is about 46304.6661147664. Note that the first 3 decimals coincide. The cubic root of 2144122104 is about 1289.4856239010.

Adding to 2144122104 its reverse (4012214412), we get a palindrome (6156336516).

The spelling of 2144122104 in words is "two billion, one hundred forty-four million, one hundred twenty-two thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 89338421 178676842 268015263 357353684 536030526 714707368 1072061052 2144122104