Base | Representation |
---|---|
bin | 1100011110000101111… |
… | …1111101100110010000 |
3 | 202110222112001102200000 |
4 | 3013201133331212100 |
5 | 12002224040243442 |
6 | 242230254530000 |
7 | 21322661322600 |
oct | 3074137754620 |
9 | 673875042600 |
10 | 214236649872 |
11 | 82948004a43 |
12 | 3562b506900 |
13 | 1728297805b |
14 | a524b9ac00 |
15 | 588d250d4c |
hex | 31e17fd990 |
214236649872 has 180 divisors, whose sum is σ = 723285488016. Its totient is φ = 61210416960.
The previous prime is 214236649819. The next prime is 214236649877. The reversal of 214236649872 is 278946632412.
It is a happy number.
214236649872 is a `hidden beast` number, since 2 + 1 + 4 + 23 + 66 + 498 + 72 = 666.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (214236649877) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 371754 + ... + 752777.
Almost surely, 2214236649872 is an apocalyptic number.
It is an amenable number.
214236649872 is an abundant number, since it is smaller than the sum of its proper divisors (509048838144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214236649872 is a wasteful number, since it uses less digits than its factorization.
214236649872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1124568 (or 1124543 counting only the distinct ones).
The product of its digits is 6967296, while the sum is 54.
The spelling of 214236649872 in words is "two hundred fourteen billion, two hundred thirty-six million, six hundred forty-nine thousand, eight hundred seventy-two".
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