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2213971630 = 2513149114299
BaseRepresentation
bin1000001111110110…
…1000011010101110
312201021222102010021
42003331220122232
514013234043010
61003405032354
7105602306533
oct20375503256
95637872107
102213971630
11a36802722
125195556ba
132938b3bb0
14170076d8a
15ce57b8da
hex83f686ae

2213971630 has 32 divisors (see below), whose sum is σ = 4320540000. Its totient is φ = 811972992.

The previous prime is 2213971607. The next prime is 2213971663. The reversal of 2213971630 is 361793122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37780 + ... + 76519.

It is an arithmetic number, because the mean of its divisors is an integer number (135016875).

Almost surely, 22213971630 is an apocalyptic number.

2213971630 is a deficient number, since it is larger than the sum of its proper divisors (2106568370).

2213971630 is a wasteful number, since it uses less digits than its factorization.

2213971630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114468.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2213971630 is about 47052.8599555861. The cubic root of 2213971630 is about 1303.3388787267.

The spelling of 2213971630 in words is "two billion, two hundred thirteen million, nine hundred seventy-one thousand, six hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 149 298 745 1490 1937 3874 9685 19370 114299 228598 571495 1142990 1485887 2971774 7429435 14858870 17030551 34061102 85152755 170305510 221397163 442794326 1106985815 2213971630