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2031694212 = 223169307851
BaseRepresentation
bin111100100011001…
…0011000110000100
312020120222202111210
41321012103012010
513130103203322
6533334131420
7101230054512
oct17106230604
95216882453
102031694212
11952924a29
124884b0b70
13264bc3532
14153b894b2
15bd57370c
hex79193184

2031694212 has 12 divisors (see below), whose sum is σ = 4740619856. Its totient is φ = 677231400.

The previous prime is 2031694211. The next prime is 2031694253. The reversal of 2031694212 is 2124961302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2031694212.

It is not an unprimeable number, because it can be changed into a prime (2031694211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84653914 + ... + 84653937.

Almost surely, 22031694212 is an apocalyptic number.

It is an amenable number.

2031694212 is an abundant number, since it is smaller than the sum of its proper divisors (2708925644).

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

2031694212 is a wasteful number, since it uses less digits than its factorization.

2031694212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169307858 (or 169307856 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2031694212 is about 45074.3187635709. The cubic root of 2031694212 is about 1266.5415675468.

The spelling of 2031694212 in words is "two billion, thirty-one million, six hundred ninety-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 169307851 338615702 507923553 677231404 1015847106 2031694212