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1204131205442 = 211211049259339
BaseRepresentation
bin10001100001011011110…
…100000001000101000010
311021010001222022002110102
4101201123310001011002
5124212030042033232
62321100434402402
7152665331240534
oct21413364010502
94233058262412
101204131205442
1142473a745970
12175451130402
138971a457779
14423cd073854
15214c772b662
hex1185bd01142

1204131205442 has 16 divisors (see below), whose sum is σ = 1970413452000. Its totient is φ = 547327662240.

The previous prime is 1204131205393. The next prime is 1204131205469. The reversal of 1204131205442 is 2445021314021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4513409 + ... + 4772747.

It is an arithmetic number, because the mean of its divisors is an integer number (123150840750).

Almost surely, 21204131205442 is an apocalyptic number.

1204131205442 is a deficient number, since it is larger than the sum of its proper divisors (766282246558).

1204131205442 is a wasteful number, since it uses less digits than its factorization.

1204131205442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470401.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1204131205442 its reverse (2445021314021), we get a palindrome (3649152519463).

The spelling of 1204131205442 in words is "one trillion, two hundred four billion, one hundred thirty-one million, two hundred five thousand, four hundred forty-two".

Divisors: 1 2 11 22 211049 259339 422098 518678 2321539 2852729 4643078 5705458 54733236611 109466473222 602065602721 1204131205442