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1220435130313 = 7174347875759
BaseRepresentation
bin10001110000100111100…
…110100011011111001001
311022200011020000021210201
4101300213212203133021
5124443422343132223
62332354332212201
7154113343305310
oct21604746433711
94280136007721
101220435130313
114306468a5a43
1217864130a061
138b1181840a9
14430d851b277
1521b2dc58ead
hex11c279a37c9

1220435130313 has 4 divisors (see below), whose sum is σ = 1394783006080. Its totient is φ = 1046087254548.

The previous prime is 1220435130307. The next prime is 1220435130329. The reversal of 1220435130313 is 3130315340221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1220435130313 - 213 = 1220435122121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220435130913) 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, 87173937873 + ... + 87173937886.

It is an arithmetic number, because the mean of its divisors is an integer number (348695751520).

Almost surely, 21220435130313 is an apocalyptic number.

It is an amenable number.

1220435130313 is a deficient number, since it is larger than the sum of its proper divisors (174347875767).

1220435130313 is an equidigital number, since it uses as much as digits as its factorization.

1220435130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174347875766.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 1220435130313 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, one hundred thirty thousand, three hundred thirteen".

Divisors: 1 7 174347875759 1220435130313