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2196379630 = 25719305477
BaseRepresentation
bin1000001011101010…
…0001011111101110
312200001212122102201
42002322201133232
513444233122010
61001540012114
7105266630104
oct20272413756
95601778381
102196379630
11a27887585
1251369103a
13290064823
1416b9b7c74
15ccc5423a
hex82ea17ee

2196379630 has 16 divisors (see below), whose sum is σ = 3958994880. Its totient is φ = 877327072.

The previous prime is 2196379621. The next prime is 2196379649. The reversal of 2196379630 is 369736912.

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 7 ways as a sum of consecutive naturals, for example, 145549 + ... + 159928.

It is an arithmetic number, because the mean of its divisors is an integer number (247437180).

Almost surely, 22196379630 is an apocalyptic number.

2196379630 is a deficient number, since it is larger than the sum of its proper divisors (1762615250).

2196379630 is a wasteful number, since it uses less digits than its factorization.

2196379630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306203.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 2196379630 is about 46865.5484337909. The cubic root of 2196379630 is about 1299.8776275344.

The spelling of 2196379630 in words is "two billion, one hundred ninety-six million, three hundred seventy-nine thousand, six hundred thirty".

Divisors: 1 2 5 10 719 1438 3595 7190 305477 610954 1527385 3054770 219637963 439275926 1098189815 2196379630