| Base | Representation |
|---|---|
| bin | 111111010111001… |
| … | …0010100010011100 |
| 3 | 12111011120020012200 |
| 4 | 1332232102202130 |
| 5 | 13323233020042 |
| 6 | 550544531500 |
| 7 | 103454146440 |
| oct | 17656224234 |
| 9 | 5434506180 |
| 10 | 2126063772 |
| 11 | 9a11201a8 |
| 12 | 4b4020b90 |
| 13 | 27b615301 |
| 14 | 162512820 |
| 15 | c69b4c4c |
| hex | 7eb9289c |
2126063772 has 72 divisors (see below), whose sum is σ = 6155621472. Its totient is φ = 606096000.
The previous prime is 2126063759. The next prime is 2126063777. The reversal of 2126063772 is 2773606212.
It is a happy number.
2126063772 is a `hidden beast` number, since 2 + 12 + 6 + 0 + 637 + 7 + 2 = 666.
It is a super-2 number, since 2×21260637722 = 9040294325221735968, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2126063777) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107022 + ... + 125322.
Almost surely, 22126063772 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2126063772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3077810736).
2126063772 is an abundant number, since it is smaller than the sum of its proper divisors (4029557700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2126063772 is a wasteful number, since it uses less digits than its factorization.
2126063772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18779 (or 18774 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The square root of 2126063772 is about 46109.2590701694. The cubic root of 2126063772 is about 1285.8552895303.
Adding to 2126063772 its reverse (2773606212), we get a palindrome (4899669984).
The spelling of 2126063772 in words is "two billion, one hundred twenty-six million, sixty-three thousand, seven hundred seventy-two".
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