Search a number
-
+
53645300331 = 373329767359
BaseRepresentation
bin110001111101100000…
…100101001001101011
312010110122002121121020
4301331200211021223
51334331144102311
640351100543523
73606244346340
oct617540451153
9163418077536
1053645300331
1120829412157
12a491851ba3
13509c05107c
14284c9127c7
1515de903c06
hexc7d82526b

53645300331 has 16 divisors (see below), whose sum is σ = 81769881600. Its totient is φ = 30645209088.

The previous prime is 53645300311. The next prime is 53645300339. The reversal of 53645300331 is 13300354635.

It is a happy number.

53645300331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53645300331 - 25 = 53645300299 is a prime.

It is a super-2 number, since 2×536453003312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53645300292 and 53645300301.

It is not an unprimeable number, because it can be changed into a prime (53645300339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313771 + ... + 453588.

It is an arithmetic number, because the mean of its divisors is an integer number (5110617600).

Almost surely, 253645300331 is an apocalyptic number.

53645300331 is a deficient number, since it is larger than the sum of its proper divisors (28124581269).

53645300331 is a wasteful number, since it uses less digits than its factorization.

53645300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770698.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 53645300331 its reverse (13300354635), we get a palindrome (66945654966).

The spelling of 53645300331 in words is "fifty-three billion, six hundred forty-five million, three hundred thousand, three hundred thirty-one".

Divisors: 1 3 7 21 3329 9987 23303 69909 767359 2302077 5371513 16114539 2554538111 7663614333 17881766777 53645300331