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54030726137 = 223381241877
BaseRepresentation
bin110010010100011110…
…110111001111111001
312011110111100021102002
4302110132313033321
51341123331214022
640453225550345
73621634410623
oct622436671771
9164414307362
1054030726137
1120a06a33283
12a57a9453b5
135130b5ba8b
142887ba1c13
151613689092
hexc947b73f9

54030726137 has 4 divisors (see below), whose sum is σ = 54031191396. Its totient is φ = 54030260880.

The previous prime is 54030726133. The next prime is 54030726163. The reversal of 54030726137 is 73162703045.

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 10490061241 + 43540664896 = 102421^2 + 208664^2 .

It is a cyclic number.

It is not a de Polignac number, because 54030726137 - 22 = 54030726133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54030726137.

It is not an unprimeable number, because it can be changed into a prime (54030726131) 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, 102443 + ... + 344319.

It is an arithmetic number, because the mean of its divisors is an integer number (13507797849).

Almost surely, 254030726137 is an apocalyptic number.

It is an amenable number.

54030726137 is a deficient number, since it is larger than the sum of its proper divisors (465259).

54030726137 is a wasteful number, since it uses less digits than its factorization.

54030726137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465258.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 54030726137 in words is "fifty-four billion, thirty million, seven hundred twenty-six thousand, one hundred thirty-seven".

Divisors: 1 223381 241877 54030726137