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54939293945 = 510987858789
BaseRepresentation
bin110011001010101000…
…110001100011111001
312020210210222022010122
4303022220301203321
51400003424401240
641123323423025
73653306202434
oct631250614371
9166723868118
1054939293945
1121332887768
12a793084a75
135247165173
14293270c81b
1516683094b5
hexccaa318f9

54939293945 has 4 divisors (see below), whose sum is σ = 65927152740. Its totient is φ = 43951435152.

The previous prime is 54939293917. The next prime is 54939293951.

54939293945 is nontrivially palindromic in base 10.

54939293945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9392904889 + 45546389056 = 96917^2 + 213416^2 .

It is a cyclic number.

It is not a de Polignac number, because 54939293945 - 222 = 54935099641 is a prime.

It is a super-2 number, since 2×549392939452 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493929390 + ... + 5493929399.

It is an arithmetic number, because the mean of its divisors is an integer number (16481788185).

Almost surely, 254939293945 is an apocalyptic number.

It is an amenable number.

54939293945 is a deficient number, since it is larger than the sum of its proper divisors (10987858795).

54939293945 is a wasteful number, since it uses less digits than its factorization.

54939293945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987858794.

The product of its digits is 47239200, while the sum is 62.

The spelling of 54939293945 in words is "fifty-four billion, nine hundred thirty-nine million, two hundred ninety-three thousand, nine hundred forty-five".

Divisors: 1 5 10987858789 54939293945