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2112024405 = 35140801627
BaseRepresentation
bin111110111100010…
…1110111101010101
312110012010221211010
41331320232331111
513311134240110
6545324002433
7103223624361
oct17570567525
95405127733
102112024405
11994201217
124ab390419
1327873acaa
141606da2a1
15c5640020
hex7de2ef55

2112024405 has 8 divisors (see below), whose sum is σ = 3379239072. Its totient is φ = 1126413008.

The previous prime is 2112024403. The next prime is 2112024413. The reversal of 2112024405 is 5044202112.

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 2112024405 - 21 = 2112024403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112024403) 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, 70400799 + ... + 70400828.

It is an arithmetic number, because the mean of its divisors is an integer number (422404884).

Almost surely, 22112024405 is an apocalyptic number.

It is an amenable number.

2112024405 is a deficient number, since it is larger than the sum of its proper divisors (1267214667).

2112024405 is a wasteful number, since it uses less digits than its factorization.

2112024405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140801635.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2112024405 is about 45956.7666943618. The cubic root of 2112024405 is about 1283.0186738906.

Adding to 2112024405 its reverse (5044202112), we get a palindrome (7156226517).

The spelling of 2112024405 in words is "two billion, one hundred twelve million, twenty-four thousand, four hundred five".

Divisors: 1 3 5 15 140801627 422404881 704008135 2112024405