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7068446409025 = 525317312
BaseRepresentation
bin110011011011100000000…
…1111001100000101000001
3221000201220011221211002101
41212313000033030011001
51411302134240042100
623011111025350401
71326451456100131
oct146670017140501
927021804854071
107068446409025
1122857907a6531
12961ab4498401
133c3722c38c81
141a6186798ac1
15c3cee72b86a
hex66dc03cc141

7068446409025 has 9 divisors (see below), whose sum is σ = 8764890030883. Its totient is φ = 5654746492600.

The previous prime is 7068446408993. The next prime is 7068446409043. The reversal of 7068446409025 is 5209046448607.

The square root of 7068446409025 is 2658655.

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

7068446409025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2544640707249 + 4523805701776 = 1595193^2 + 2126924^2 .

It is not a de Polignac number, because 7068446409025 - 25 = 7068446408993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13027410 + ... + 13559140.

Almost surely, 27068446409025 is an apocalyptic number.

7068446409025 is the 2658655-th square number.

7068446409025 is the 1329328-th centered octagonal number.

It is an amenable number.

7068446409025 is a deficient number, since it is larger than the sum of its proper divisors (1696443621858).

7068446409025 is an frugal number, since it uses more digits than its factorization.

7068446409025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063472 (or 531736 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 7068446409025 in words is "seven trillion, sixty-eight billion, four hundred forty-six million, four hundred nine thousand, twenty-five".

Divisors: 1 5 25 531731 2658655 13293275 282737856361 1413689281805 7068446409025