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1368202768804 = 22172344032
BaseRepresentation
bin10011111010001111001…
…111010111000110100100
311211210120101220002101101
4103322033033113012210
5134404034402100204
62524313233405444
7200564224435054
oct23721717270644
94753511802341
101368202768804
11488284880923
121a1200409884
139c0370b1081
144a315609564
15258cb877ea4
hex13e8f3d71a4

1368202768804 has 27 divisors (see below), whose sum is σ = 2543558147137. Its totient is φ = 643841411264.

The previous prime is 1368202768759. The next prime is 1368202768813. The reversal of 1368202768804 is 4088672028631.

The square root of 1368202768804 is 1169702.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1065209768100 + 302993000704 = 1032090^2 + 550448^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39752667 + ... + 39787069.

Almost surely, 21368202768804 is an apocalyptic number.

1368202768804 is the 1169702-nd square number.

It is an amenable number.

1368202768804 is a deficient number, since it is larger than the sum of its proper divisors (1175355378333).

1368202768804 is an frugal number, since it uses more digits than its factorization.

1368202768804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68844 (or 34422 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 1368202768804 in words is "one trillion, three hundred sixty-eight billion, two hundred two million, seven hundred sixty-eight thousand, eight hundred four".

Divisors: 1 2 4 17 34 68 289 578 1156 34403 68806 137612 584851 1169702 2339404 9942467 19884934 39769868 1183566409 2367132818 4734265636 20120628953 40241257906 80482515812 342050692201 684101384402 1368202768804