Base | Representation |
---|---|
bin | 1100010101110101111… |
… | …1101111111001110110 |
3 | 202021021011210121220201 |
4 | 3011131133233321312 |
5 | 11433210113020040 |
6 | 241222423151114 |
7 | 21214050163252 |
oct | 3053537577166 |
9 | 667234717821 |
10 | 212022001270 |
11 | 81a1098a742 |
12 | 351118a549a |
13 | 16cbbbb7cb1 |
14 | a3949c9262 |
15 | 57adadda9a |
hex | 315d7efe76 |
212022001270 has 64 divisors (see below), whose sum is σ = 396142534656. Its totient is φ = 81650338560.
The previous prime is 212022001189. The next prime is 212022001271. The reversal of 212022001270 is 72100220212.
It is a super-2 number, since 2×2120220012702 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212022001271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15243139 + ... + 15257041.
It is an arithmetic number, because the mean of its divisors is an integer number (6189727104).
Almost surely, 2212022001270 is an apocalyptic number.
212022001270 is a deficient number, since it is larger than the sum of its proper divisors (184120533386).
212022001270 is a wasteful number, since it uses less digits than its factorization.
212022001270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14485.
The product of its (nonzero) digits is 224, while the sum is 19.
Adding to 212022001270 its reverse (72100220212), we get a palindrome (284122221482).
The spelling of 212022001270 in words is "two hundred twelve billion, twenty-two million, one thousand, two hundred seventy".
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