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1073384400709 = 1321812554429
BaseRepresentation
bin11111001111010101011…
…00100010011101000101
310210121121000010020100001
433213222230202131011
5120041242401310314
62141034520521301
7140356315603105
oct17475254423505
93717530106301
101073384400709
11384246569345
12154042320231
137a2b193695a
1439d48729205
151cdc404c674
hexf9eab22745

1073384400709 has 4 divisors (see below), whose sum is σ = 1074196956460. Its totient is φ = 1072571844960.

The previous prime is 1073384400707. The next prime is 1073384400761. The reversal of 1073384400709 is 9070044833701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 605979731809 + 467404668900 = 778447^2 + 683670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073384400709 - 21 = 1073384400707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073384400707) 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, 406275894 + ... + 406278535.

It is an arithmetic number, because the mean of its divisors is an integer number (268549239115).

Almost surely, 21073384400709 is an apocalyptic number.

It is an amenable number.

1073384400709 is a deficient number, since it is larger than the sum of its proper divisors (812555751).

1073384400709 is an equidigital number, since it uses as much as digits as its factorization.

1073384400709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812555750.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 1073384400709 in words is "one trillion, seventy-three billion, three hundred eighty-four million, four hundred thousand, seven hundred nine".

Divisors: 1 1321 812554429 1073384400709