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1213302231322 = 2976254135213
BaseRepresentation
bin10001101001111110011…
…100101101000100011010
311021222202010012110212121
4101221332130231010122
5124334320332400242
62325214445331454
7153441521542366
oct21517634550432
94258663173777
101213302231322
1142861652a3a5
12177190566b8a
138a54c488cbc
1442a1d0882a6
152186293c667
hex11a7e72d11a

1213302231322 has 8 divisors (see below), whose sum is σ = 1838715752916. Its totient is φ = 600396980352.

The previous prime is 1213302231283. The next prime is 1213302231329. The reversal of 1213302231322 is 2231322033121.

It can be written as a sum of positive squares in 2 ways, for example, as 1086266302081 + 127035929241 = 1042241^2 + 356421^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1213302231329) 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, 3127067413 + ... + 3127067800.

Almost surely, 21213302231322 is an apocalyptic number.

1213302231322 is a deficient number, since it is larger than the sum of its proper divisors (625413521594).

1213302231322 is an equidigital number, since it uses as much as digits as its factorization.

1213302231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254135312.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1213302231322 its reverse (2231322033121), we get a palindrome (3444624264443).

The spelling of 1213302231322 in words is "one trillion, two hundred thirteen billion, three hundred two million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 97 194 6254135213 12508270426 606651115661 1213302231322