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2072716453 = 13115822263
BaseRepresentation
bin111101110001011…
…0010010010100101
312100110011220110001
41323202302102211
513221103411303
6541401301301
7102235541053
oct17342622245
95313156401
102072716453
11973aa3605
1249a194831
13270557452
141593c71d3
15c1e7831d
hex7b8b24a5

2072716453 has 4 divisors (see below), whose sum is σ = 2088538848. Its totient is φ = 2056894060.

The previous prime is 2072716439. The next prime is 2072716463. The reversal of 2072716453 is 3546172702.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3546172702 = 21773086351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2072716453 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 (2072716463) 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, 7911001 + ... + 7911262.

It is an arithmetic number, because the mean of its divisors is an integer number (522134712).

Almost surely, 22072716453 is an apocalyptic number.

It is an amenable number.

2072716453 is a deficient number, since it is larger than the sum of its proper divisors (15822395).

2072716453 is a wasteful number, since it uses less digits than its factorization.

2072716453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15822394.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2072716453 is about 45527.0958111760. The cubic root of 2072716453 is about 1275.0091406239.

The spelling of 2072716453 in words is "two billion, seventy-two million, seven hundred sixteen thousand, four hundred fifty-three".

Divisors: 1 131 15822263 2072716453