Base | Representation |
---|---|
bin | 10001101011100100010… |
… | …111000010011111010000 |
3 | 11022011011021110212001120 |
4 | 101223210113002133100 |
5 | 124401321034202344 |
6 | 2330100244202240 |
7 | 153532062533460 |
oct | 21534427023720 |
9 | 4264137425046 |
10 | 1215012022224 |
11 | 42931367a630 |
12 | 177589099380 |
13 | 8a762782bb0 |
14 | 42b4219bba0 |
15 | 21912ac7219 |
hex | 11ae45c27d0 |
1215012022224 has 160 divisors (see below), whose sum is σ = 4214307600384. Its totient is φ = 291311562240.
The previous prime is 1215012022199. The next prime is 1215012022243. The reversal of 1215012022224 is 4222202105121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 1215012022194 and 1215012022203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12595684 + ... + 12691779.
Almost surely, 21215012022224 is an apocalyptic number.
1215012022224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1215012022224 is an abundant number, since it is smaller than the sum of its proper divisors (2999295578160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1215012022224 is a wasteful number, since it uses less digits than its factorization.
1215012022224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25287505 (or 25287499 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
Adding to 1215012022224 its reverse (4222202105121), we get a palindrome (5437214127345).
The spelling of 1215012022224 in words is "one trillion, two hundred fifteen billion, twelve million, twenty-two thousand, two hundred twenty-four".
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