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1325213211 = 3763105391
BaseRepresentation
bin100111011111101…
…0010011000011011
310102100121210202210
41032333102120123
510203223310321
6335255530203
744561061240
oct11677223033
93370553683
101325213211
11620059333
1230b989963
1318172523a
14c80055c7
157b520b76
hex4efd261b

1325213211 has 8 divisors (see below), whose sum is σ = 2019372544. Its totient is φ = 757264680.

The previous prime is 1325213209. The next prime is 1325213213. The reversal of 1325213211 is 1123125231.

It is an interprime number because it is at equal distance from previous prime (1325213209) and next prime (1325213213).

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

It is not a de Polignac number, because 1325213211 - 21 = 1325213209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 63105391 = 1325213211 / (1 + 3 + 2 + 5 + 2 + 1 + 3 + 2 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (1325213213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31552675 + ... + 31552716.

It is an arithmetic number, because the mean of its divisors is an integer number (252421568).

Almost surely, 21325213211 is an apocalyptic number.

1325213211 is a deficient number, since it is larger than the sum of its proper divisors (694159333).

1325213211 is an equidigital number, since it uses as much as digits as its factorization.

1325213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63105401.

The product of its digits is 360, while the sum is 21.

The square root of 1325213211 is about 36403.4780069158. The cubic root of 1325213211 is about 1098.4035273490.

Adding to 1325213211 its reverse (1123125231), we get a palindrome (2448338442).

The spelling of 1325213211 in words is "one billion, three hundred twenty-five million, two hundred thirteen thousand, two hundred eleven".

Divisors: 1 3 7 21 63105391 189316173 441737737 1325213211