Base | Representation |
---|---|
bin | 11000100111000010… |
… | …00000111011001100 |
3 | 1021002210022120121000 |
4 | 30103201000323030 |
5 | 204024323323112 |
6 | 10023013540300 |
7 | 645261616452 |
oct | 142341007314 |
9 | 37083276530 |
10 | 13212323532 |
11 | 5670015251 |
12 | 2688944690 |
13 | 1327382325 |
14 | 8d4a389d2 |
15 | 524de27dc |
hex | 313840ecc |
13212323532 has 24 divisors (see below), whose sum is σ = 34254172400. Its totient is φ = 4404107808.
The previous prime is 13212323503. The next prime is 13212323557. The reversal of 13212323532 is 23532321231.
It is a happy number.
13212323532 is a `hidden beast` number, since 1 + 3 + 2 + 123 + 2 + 3 + 532 = 666.
It is a super-2 number, since 2×132123235322 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 13212323496 and 13212323505.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61168057 + ... + 61168272.
Almost surely, 213212323532 is an apocalyptic number.
13212323532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13212323532 is an abundant number, since it is smaller than the sum of its proper divisors (21041848868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13212323532 is a wasteful number, since it uses less digits than its factorization.
13212323532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122336342 (or 122336334 counting only the distinct ones).
The product of its digits is 6480, while the sum is 27.
Adding to 13212323532 its reverse (23532321231), we get a palindrome (36744644763).
The spelling of 13212323532 in words is "thirteen billion, two hundred twelve million, three hundred twenty-three thousand, five hundred thirty-two".
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