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5423867673953 = 19789932740721
BaseRepresentation
bin100111011101101011110…
…1101001011110101100001
3201012111221122220221220012
41032323113231023311201
51202331040111031303
615311405043454305
71066601332354331
oct116732755136541
921174848827805
105423867673953
1118012819a1633
12737222387395
1330461247a4b1
1414a73377b0c1
15961496bd5d8
hex4eed7b4bd61

5423867673953 has 4 divisors (see below), whose sum is σ = 5423872393668. Its totient is φ = 5423862954240.

The previous prime is 5423867673907. The next prime is 5423867673967. The reversal of 5423867673953 is 3593767683245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3503459293009 + 1920408380944 = 1871753^2 + 1385788^2 .

It is a cyclic number.

It is not a de Polignac number, because 5423867673953 - 210 = 5423867672929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5423867673253) 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, 608633 + ... + 3349353.

It is an arithmetic number, because the mean of its divisors is an integer number (1355968098417).

Almost surely, 25423867673953 is an apocalyptic number.

It is an amenable number.

5423867673953 is a deficient number, since it is larger than the sum of its proper divisors (4719715).

5423867673953 is a wasteful number, since it uses less digits than its factorization.

5423867673953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719714.

The product of its digits is 685843200, while the sum is 68.

The spelling of 5423867673953 in words is "five trillion, four hundred twenty-three billion, eight hundred sixty-seven million, six hundred seventy-three thousand, nine hundred fifty-three".

Divisors: 1 1978993 2740721 5423867673953