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13533255245 = 5109137181253
BaseRepresentation
bin11001001101010010…
…10001011001001101
31021221011012121010202
430212221101121031
5210204003131440
610114520343245
7656236525436
oct144651213115
937834177122
1013533255245
115815195a74
122758314b25
1313789cb653
149254da48d
15543188615
hex326a5164d

13533255245 has 16 divisors (see below), whose sum is σ = 16508614320. Its totient is φ = 10648917504.

The previous prime is 13533255233. The next prime is 13533255271. The reversal of 13533255245 is 54255233531.

It can be written as a sum of positive squares in 8 ways, for example, as 214710409 + 13318544836 = 14653^2 + 115406^2 .

It is a cyclic number.

It is not a de Polignac number, because 13533255245 - 210 = 13533254221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13533255199 and 13533255208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15962 + ... + 165291.

It is an arithmetic number, because the mean of its divisors is an integer number (1031788395).

Almost surely, 213533255245 is an apocalyptic number.

It is an amenable number.

13533255245 is a deficient number, since it is larger than the sum of its proper divisors (2975359075).

13533255245 is a wasteful number, since it uses less digits than its factorization.

13533255245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181504.

The product of its digits is 270000, while the sum is 38.

Adding to 13533255245 its reverse (54255233531), we get a palindrome (67788488776).

The spelling of 13533255245 in words is "thirteen billion, five hundred thirty-three million, two hundred fifty-five thousand, two hundred forty-five".

Divisors: 1 5 109 137 545 685 14933 74665 181253 906265 19756577 24831661 98782885 124158305 2706651049 13533255245