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1213002213242 = 23769160918309
BaseRepresentation
bin10001101001101100100…
…100001110011101111010
311021221222012122222102212
4101221230210032131322
5124333212031310432
62325125011055122
7153431216456201
oct21515444163572
94257865588385
101213002213242
11428482143376
12177107ba14a2
138a502282c01
14429d12ac238
15218464282b2
hex11a6c90e77a

1213002213242 has 8 divisors (see below), whose sum is σ = 1819986086100. Its totient is φ = 606340184544.

The previous prime is 1213002213221. The next prime is 1213002213253. The reversal of 1213002213242 is 2423122003121.

It can be written as a sum of positive squares in 2 ways, for example, as 1133268831601 + 79733381641 = 1064551^2 + 282371^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80451617 + ... + 80466692.

Almost surely, 21213002213242 is an apocalyptic number.

1213002213242 is a deficient number, since it is larger than the sum of its proper divisors (606983872858).

1213002213242 is a wasteful number, since it uses less digits than its factorization.

1213002213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160922080.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1213002213242 its reverse (2423122003121), we get a palindrome (3636124216363).

The spelling of 1213002213242 in words is "one trillion, two hundred thirteen billion, two million, two hundred thirteen thousand, two hundred forty-two".

Divisors: 1 2 3769 7538 160918309 321836618 606501106621 1213002213242