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130321212122 = 282778791543
BaseRepresentation
bin111100101011110111…
…1111110001011011010
3110110101022100111211002
41321113233332023122
54113344212241442
6135511351505002
712262324011563
oct1712757761332
9413338314732
10130321212122
11502a5a215a2
1221310388162
13c39b5bb68a
14644400116a
1535cb162732
hex1e57bfe2da

130321212122 has 8 divisors (see below), whose sum is σ = 195718195296. Its totient is φ = 65081813692.

The previous prime is 130321212121. The next prime is 130321212143. The reversal of 130321212122 is 221212123031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 130321212094 and 130321212103.

It is not an unprimeable number, because it can be changed into a prime (130321212121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39394118 + ... + 39397425.

It is an arithmetic number, because the mean of its divisors is an integer number (24464774412).

Almost surely, 2130321212122 is an apocalyptic number.

130321212122 is a deficient number, since it is larger than the sum of its proper divisors (65396983174).

130321212122 is an equidigital number, since it uses as much as digits as its factorization.

130321212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78792372.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 130321212122 its reverse (221212123031), we get a palindrome (351533335153).

The spelling of 130321212122 in words is "one hundred thirty billion, three hundred twenty-one million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 827 1654 78791543 157583086 65160606061 130321212122