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1200020302213 = 5623921337867
BaseRepresentation
bin10001011101100110110…
…010001010100110000101
311020201110110220120101021
4101131212302022212011
5124130120144132323
62315140503431141
7152461423161115
oct21354662124605
94221413816337
101200020302213
11422a201a3487
121746a44554b1
1389213875855
144211d0d1045
152133689b05d
hex11766c8a985

1200020302213 has 4 divisors (see below), whose sum is σ = 1200041696320. Its totient is φ = 1199998908108.

The previous prime is 1200020302211. The next prime is 1200020302253. The reversal of 1200020302213 is 3122030200021.

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 a cyclic number.

It is not a de Polignac number, because 1200020302213 - 21 = 1200020302211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200020302211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10612695 + ... + 10725172.

It is an arithmetic number, because the mean of its divisors is an integer number (300010424080).

Almost surely, 21200020302213 is an apocalyptic number.

It is an amenable number.

1200020302213 is a deficient number, since it is larger than the sum of its proper divisors (21394107).

1200020302213 is an equidigital number, since it uses as much as digits as its factorization.

1200020302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394106.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200020302213 its reverse (3122030200021), we get a palindrome (4322050502234).

The spelling of 1200020302213 in words is "one trillion, two hundred billion, twenty million, three hundred two thousand, two hundred thirteen".

Divisors: 1 56239 21337867 1200020302213