Base | Representation |
---|---|
bin | 11101111111101011111… |
… | …001000100011010100111 |
3 | 21022001102211202210222100 |
4 | 131333223321010122213 |
5 | 232232413204101324 |
6 | 4214531311303143 |
7 | 301630422624552 |
oct | 35775371043247 |
9 | 7261384683870 |
10 | 2061246940839 |
11 | 725196185a69 |
12 | 29359751aab3 |
13 | 11c4b443c878 |
14 | 71a9cbb1699 |
15 | 3893ee3e4c9 |
hex | 1dfebe446a7 |
2061246940839 has 12 divisors (see below), whose sum is σ = 2977369363800. Its totient is φ = 1374158778864.
The previous prime is 2061246940817. The next prime is 2061246940873. The reversal of 2061246940839 is 9380496421602.
2061246940839 is a `hidden beast` number, since 2 + 0 + 61 + 2 + 469 + 40 + 83 + 9 = 666.
It is not a de Polignac number, because 2061246940839 - 212 = 2061246936743 is a prime.
It is a super-2 number, since 2×20612469408392 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2061246940889) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3266932 + ... + 3846470.
It is an arithmetic number, because the mean of its divisors is an integer number (248114113650).
Almost surely, 22061246940839 is an apocalyptic number.
2061246940839 is a deficient number, since it is larger than the sum of its proper divisors (916122422961).
2061246940839 is a wasteful number, since it uses less digits than its factorization.
2061246940839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 974734 (or 974731 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 54.
The spelling of 2061246940839 in words is "two trillion, sixty-one billion, two hundred forty-six million, nine hundred forty thousand, eight hundred thirty-nine".
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