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20212311322 = 2781110191747
BaseRepresentation
bin10010110100101111…
…110110010100011010
31221011122000210122001
4102310233312110122
5312343322430242
613141351551214
71313610545230
oct226457662432
957148023561
1020212311322
118632360725
123b0108b50a
131ba1682838
14d9a590950
157d4707eb7
hex4b4bf651a

20212311322 has 32 divisors (see below), whose sum is σ = 34746324480. Its totient is φ = 8638300080.

The previous prime is 20212311299. The next prime is 20212311401. The reversal of 20212311322 is 22311321202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212311322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11568853 + ... + 11570599.

It is an arithmetic number, because the mean of its divisors is an integer number (1085822640).

Almost surely, 220212311322 is an apocalyptic number.

20212311322 is a deficient number, since it is larger than the sum of its proper divisors (14534013158).

20212311322 is a wasteful number, since it uses less digits than its factorization.

20212311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20212311322 its reverse (22311321202), we get a palindrome (42523632524).

The spelling of 20212311322 in words is "twenty billion, two hundred twelve million, three hundred eleven thousand, three hundred twenty-two".

Divisors: 1 2 7 14 811 1019 1622 1747 2038 3494 5677 7133 11354 12229 14266 24458 826409 1416817 1652818 1780193 2833634 3560386 5784863 9917719 11569726 12461351 19835438 24922702 1443736523 2887473046 10106155661 20212311322