Base | Representation |
---|---|
bin | 10011000001011001… |
… | …11000010001000100 |
3 | 222100201021012121200 |
4 | 21200230320101010 |
5 | 131403322442012 |
6 | 4405205142500 |
7 | 511033135521 |
oct | 114054702104 |
9 | 28321235550 |
10 | 10212312132 |
11 | 4370647290 |
12 | 1b900baa30 |
13 | c69995859 |
14 | 6cc42c148 |
15 | 3eb84a3dc |
hex | 260b38444 |
10212312132 has 72 divisors (see below), whose sum is σ = 28922380032. Its totient is φ = 3010996800.
The previous prime is 10212312107. The next prime is 10212312137. The reversal of 10212312132 is 23121321201.
10212312132 is a `hidden beast` number, since 10 + 212 + 312 + 132 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (10212312137) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333844 + ... + 363147.
Almost surely, 210212312132 is an apocalyptic number.
10212312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10212312132 is an abundant number, since it is smaller than the sum of its proper divisors (18710067900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10212312132 is a wasteful number, since it uses less digits than its factorization.
10212312132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 697049 (or 697044 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10212312132 its reverse (23121321201), we get a palindrome (33333633333).
The spelling of 10212312132 in words is "ten billion, two hundred twelve million, three hundred twelve thousand, one hundred thirty-two".
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