| Base | Representation |
|---|---|
| bin | 111010110011010001… |
| … | …1111001100110011110 |
| 3 | 110001221022012100200000 |
| 4 | 1311212203321212132 |
| 5 | 4032102313113330 |
| 6 | 134002041515130 |
| 7 | 12060130365630 |
| oct | 1654643714636 |
| 9 | 401838170600 |
| 10 | 126274738590 |
| 11 | 496098860a0 |
| 12 | 205811a2aa6 |
| 13 | bba5177a40 |
| 14 | 617c830a50 |
| 15 | 3440cac560 |
| hex | 1d668f999e |
126274738590 has 384 divisors, whose sum is σ = 457148869632. Its totient is φ = 24220062720.
The previous prime is 126274738573. The next prime is 126274738591. The reversal of 126274738590 is 95837472621.
It is a happy number.
126274738590 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 7 + 47 + 3 + 8 + 590 = 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 Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126274738591) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2406474 + ... + 2458386.
It is an arithmetic number, because the mean of its divisors is an integer number (1190491848).
It is a 1-persistent number, because it is pandigital, but 2⋅126274738590 = 252549477180 is not.
Almost surely, 2126274738590 is an apocalyptic number.
126274738590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 126274738590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228574434816).
126274738590 is an abundant number, since it is smaller than the sum of its proper divisors (330874131042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126274738590 is a wasteful number, since it uses less digits than its factorization.
126274738590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51966 (or 51954 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 54.
The spelling of 126274738590 in words is "one hundred twenty-six billion, two hundred seventy-four million, seven hundred thirty-eight thousand, five hundred ninety".
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