Base | Representation |
---|---|
bin | 111001001000001011… |
… | …1000010110111011110 |
3 | 102201122212000210001220 |
4 | 1302100113002313132 |
5 | 4002222321410241 |
6 | 132205304314210 |
7 | 11602102446342 |
oct | 1622027026736 |
9 | 381585023056 |
10 | 122681044446 |
11 | 48035284534 |
12 | 1b939772966 |
13 | b751794bbc |
14 | 5d1b443622 |
15 | 32d0544166 |
hex | 1c905c2dde |
122681044446 has 16 divisors (see below), whose sum is σ = 245372114064. Its totient is φ = 40892010624.
The previous prime is 122681044441. The next prime is 122681044471. The reversal of 122681044446 is 644440186221.
It is a super-2 number, since 2×1226810444462 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122681044398 and 122681044407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122681044441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253675 + ... + 556518.
It is an arithmetic number, because the mean of its divisors is an integer number (15335757129).
Almost surely, 2122681044446 is an apocalyptic number.
122681044446 is an abundant number, since it is smaller than the sum of its proper divisors (122691069618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122681044446 is a wasteful number, since it uses less digits than its factorization.
122681044446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 835435.
The product of its (nonzero) digits is 294912, while the sum is 42.
The spelling of 122681044446 in words is "one hundred twenty-two billion, six hundred eighty-one million, forty-four thousand, four hundred forty-six".
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