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20343122130 = 2352923382899
BaseRepresentation
bin10010111100100010…
…110110100011010010
31221111202011200022210
4102330202312203102
5313130314402010
613202343412550
71320056453652
oct227442664322
957452150283
1020343122130
11869a186831
123b38a54156
131bc27c3396
14dadac2362
157e0e46b20
hex4bc8b68d2

20343122130 has 32 divisors (see below), whose sum is σ = 50507064000. Its totient is φ = 5237769152.

The previous prime is 20343122123. The next prime is 20343122147. The reversal of 20343122130 is 3122134302.

It is a junction number, because it is equal to n+sod(n) for n = 20343122097 and 20343122106.

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, 11690580 + ... + 11692319.

It is an arithmetic number, because the mean of its divisors is an integer number (1578345750).

Almost surely, 220343122130 is an apocalyptic number.

20343122130 is an abundant number, since it is smaller than the sum of its proper divisors (30163941870).

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

20343122130 is a wasteful number, since it uses less digits than its factorization.

20343122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23382938.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20343122130 its reverse (3122134302), we get a palindrome (23465256432).

The spelling of 20343122130 in words is "twenty billion, three hundred forty-three million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 23382899 46765798 70148697 116914495 140297394 233828990 350743485 678104071 701486970 1356208142 2034312213 3390520355 4068624426 6781040710 10171561065 20343122130