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53030345054 = 2171997837769
BaseRepresentation
bin110001011000110110…
…101101100101011110
312001212202221122112212
4301120312231211132
51332101232020204
640210052200422
73555066331661
oct613066554536
9161782848485
1053030345054
112054327a155
12a33b909112
13500181a2cb
1427d0d956d8
1515a592ec6e
hexc58dad95e

53030345054 has 16 divisors (see below), whose sum is σ = 84647916000. Its totient is φ = 24830049024.

The previous prime is 53030345041. The next prime is 53030345063. The reversal of 53030345054 is 45054303035.

It is a self number, because there is not a number n which added to its sum of digits gives 53030345054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3912119 + ... + 3925650.

It is an arithmetic number, because the mean of its divisors is an integer number (5290494750).

Almost surely, 253030345054 is an apocalyptic number.

53030345054 is a deficient number, since it is larger than the sum of its proper divisors (31617570946).

53030345054 is a wasteful number, since it uses less digits than its factorization.

53030345054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837987.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 53030345054 its reverse (45054303035), we get a palindrome (98084648089).

The spelling of 53030345054 in words is "fifty-three billion, thirty million, three hundred forty-five thousand, fifty-four".

Divisors: 1 2 17 34 199 398 3383 6766 7837769 15675538 133242073 266484146 1559716031 3119432062 26515172527 53030345054