Base | Representation |
---|---|
bin | 11000100110111000… |
… | …11011111001101110 |
3 | 1021002201001121012100 |
4 | 30103130123321232 |
5 | 204024021421220 |
6 | 10022532115530 |
7 | 645245460330 |
oct | 142334337156 |
9 | 37081047170 |
10 | 13211123310 |
11 | 566a375530 |
12 | 2688465ba6 |
13 | 1327051c38 |
14 | 8d4805450 |
15 | 524c56d90 |
hex | 31371be6e |
13211123310 has 288 divisors, whose sum is σ = 43805878272. Its totient is φ = 2683647360.
The previous prime is 13211123297. The next prime is 13211123327. The reversal of 13211123310 is 1332111231.
13211123310 is a `hidden beast` number, since 1 + 321 + 1 + 12 + 331 + 0 = 666.
It is a super-2 number, since 2×132111233102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15307939 + ... + 15308801.
It is an arithmetic number, because the mean of its divisors is an integer number (152103744).
Almost surely, 213211123310 is an apocalyptic number.
13211123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13211123310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21902939136).
13211123310 is an abundant number, since it is smaller than the sum of its proper divisors (30594754962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13211123310 is a wasteful number, since it uses less digits than its factorization.
13211123310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 988 (or 938 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13211123310 its reverse (1332111231), we get a palindrome (14543234541).
The spelling of 13211123310 in words is "thirteen billion, two hundred eleven million, one hundred twenty-three thousand, three hundred ten".
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