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54746925785 = 510949385157
BaseRepresentation
bin110010111111001010…
…111100101011011001
312020022101222222121222
4302333022330223121
51344110203111120
641052252341425
73645452122346
oct627712745331
9166271888558
1054746925785
1121244237712
12a73a774875
135216350856
142914d557cd
1516564ab525
hexcbf2bcad9

54746925785 has 4 divisors (see below), whose sum is σ = 65696310948. Its totient is φ = 43797540624.

The previous prime is 54746925781. The next prime is 54746925787. The reversal of 54746925785 is 58752964745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58752964745 = 511750592949.

It can be written as a sum of positive squares in 2 ways, for example, as 39707337289 + 15039588496 = 199267^2 + 122636^2 .

It is a cyclic number.

It is not a de Polignac number, because 54746925785 - 22 = 54746925781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54746925781) 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, 5474692574 + ... + 5474692583.

It is an arithmetic number, because the mean of its divisors is an integer number (16424077737).

Almost surely, 254746925785 is an apocalyptic number.

It is an amenable number.

54746925785 is a deficient number, since it is larger than the sum of its proper divisors (10949385163).

54746925785 is a wasteful number, since it uses less digits than its factorization.

54746925785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949385162.

The product of its digits is 84672000, while the sum is 62.

The spelling of 54746925785 in words is "fifty-four billion, seven hundred forty-six million, nine hundred twenty-five thousand, seven hundred eighty-five".

Divisors: 1 5 10949385157 54746925785