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20211322130 = 2513477149969
BaseRepresentation
bin10010110100101100…
…000100110100010010
31221011120011112201022
4102310230010310102
5312343044302010
613141314435442
71313566255256
oct226454046422
957146145638
1020211322130
11863184550a
123b00892b82
131ba13c750c
14d9a3b4266
157d45aed55
hex4b4b04d12

20211322130 has 16 divisors (see below), whose sum is σ = 36383321880. Its totient is φ = 8083875072.

The previous prime is 20211322129. The next prime is 20211322141. The reversal of 20211322130 is 3122311202.

It can be written as a sum of positive squares in 4 ways, for example, as 11592613561 + 8618708569 = 107669^2 + 92837^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20211322099 and 20211322108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59786 + ... + 209754.

Almost surely, 220211322130 is an apocalyptic number.

20211322130 is a deficient number, since it is larger than the sum of its proper divisors (16171999750).

20211322130 is a wasteful number, since it uses less digits than its factorization.

20211322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163453.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20211322130 its reverse (3122311202), we get a palindrome (23333633332).

The spelling of 20211322130 in words is "twenty billion, two hundred eleven million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 13477 26954 67385 134770 149969 299938 749845 1499690 2021132213 4042264426 10105661065 20211322130