Base | Representation |
---|---|
bin | 11001001100111100… |
… | …00010101010111011 |
3 | 1021220221200000212210 |
4 | 30212132002222323 |
5 | 210202224430410 |
6 | 10114333310203 |
7 | 656202514611 |
oct | 144636025273 |
9 | 37827600783 |
10 | 13530311355 |
11 | 5813565200 |
12 | 2757335363 |
13 | 137820a6c2 |
14 | 924d716b1 |
15 | 542ca6220 |
hex | 326782abb |
13530311355 has 48 divisors (see below), whose sum is σ = 24301896192. Its totient is φ = 6420532800.
The previous prime is 13530311351. The next prime is 13530311359. The reversal of 13530311355 is 55311303531.
It is an interprime number because it is at equal distance from previous prime (13530311351) and next prime (13530311359).
It is not a de Polignac number, because 13530311355 - 22 = 13530311351 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13530311351) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6000 + ... + 164610.
It is an arithmetic number, because the mean of its divisors is an integer number (506289504).
Almost surely, 213530311355 is an apocalyptic number.
13530311355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13530311355 is a deficient number, since it is larger than the sum of its proper divisors (10771584837).
13530311355 is a wasteful number, since it uses less digits than its factorization.
13530311355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158688 (or 158677 counting only the distinct ones).
The product of its (nonzero) digits is 10125, while the sum is 30.
Adding to 13530311355 its reverse (55311303531), we get a palindrome (68841614886).
The spelling of 13530311355 in words is "thirteen billion, five hundred thirty million, three hundred eleven thousand, three hundred fifty-five".
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