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2112474491 = 23353260189
BaseRepresentation
bin111110111101001…
…1100110101111011
312110012222211012222
41331322130311323
513311243140431
6545341354255
7103230510521
oct17572346573
95405884188
102112474491
11994489396
124ab56898b
13278867b0a
141607b6311
15c56cd57b
hex7de9cd7b

2112474491 has 8 divisors (see below), whose sum is σ = 2210574240. Its totient is φ = 2014895872.

The previous prime is 2112474461. The next prime is 2112474493. The reversal of 2112474491 is 1944742112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112474491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112474493) 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, 121976 + ... + 138213.

It is an arithmetic number, because the mean of its divisors is an integer number (276321780).

Almost surely, 22112474491 is an apocalyptic number.

2112474491 is a deficient number, since it is larger than the sum of its proper divisors (98099749).

2112474491 is a wasteful number, since it uses less digits than its factorization.

2112474491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260565.

The product of its digits is 16128, while the sum is 35.

The square root of 2112474491 is about 45961.6632749512. The cubic root of 2112474491 is about 1283.1098072641.

The spelling of 2112474491 in words is "two billion, one hundred twelve million, four hundred seventy-four thousand, four hundred ninety-one".

Divisors: 1 23 353 8119 260189 5984347 91846717 2112474491