Search a number
-
+
53141420521 = 7171492997091
BaseRepresentation
bin110001011111011110…
…011011100111101001
312002011111221212110001
4301133132123213221
51332313200424041
640225101023001
73560615423110
oct613736334751
9162144855401
1053141420521
112059aa45862
12a370b54a61
13501b83b037
142801a2ac77
1515b0571131
hexc5f79b9e9

53141420521 has 16 divisors (see below), whose sum is σ = 64737187200. Its totient is φ = 42582654720.

The previous prime is 53141420513. The next prime is 53141420531. The reversal of 53141420521 is 12502414135.

It is a cyclic number.

It is not a de Polignac number, because 53141420521 - 23 = 53141420513 is a prime.

It is a super-2 number, since 2×531414205212 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53141420521.

It is not an unprimeable number, because it can be changed into a prime (53141420531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480815 + ... + 1516276.

It is an arithmetic number, because the mean of its divisors is an integer number (4046074200).

Almost surely, 253141420521 is an apocalyptic number.

It is an amenable number.

53141420521 is a deficient number, since it is larger than the sum of its proper divisors (11595766679).

53141420521 is a wasteful number, since it uses less digits than its factorization.

53141420521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997264.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 53141420521 its reverse (12502414135), we get a palindrome (65643834656).

The spelling of 53141420521 in words is "fifty-three billion, one hundred forty-one million, four hundred twenty thousand, five hundred twenty-one".

Divisors: 1 7 17 119 149 1043 2533 17731 2997091 20979637 50950547 356653829 446566559 3125965913 7591631503 53141420521