Base | Representation |
---|---|
bin | 111000011010010010… |
… | …0011101100011000010 |
3 | 102120200112021100102212 |
4 | 1300310210131203002 |
5 | 3441044102321410 |
6 | 131352413142122 |
7 | 11515663000220 |
oct | 1606444354302 |
9 | 376615240385 |
10 | 121141057730 |
11 | 47414a72740 |
12 | 1b589a8a942 |
13 | b567712164 |
14 | 5c12ad1b10 |
15 | 324024bb05 |
hex | 1c3491d8c2 |
121141057730 has 64 divisors (see below), whose sum is σ = 283679428608. Its totient is φ = 36116583360.
The previous prime is 121141057729. The next prime is 121141057733. The reversal of 121141057730 is 37750141121.
121141057730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1211410577303 (a number of 34 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (121141057733) 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, 3402422 + ... + 3437841.
It is an arithmetic number, because the mean of its divisors is an integer number (4432491072).
Almost surely, 2121141057730 is an apocalyptic number.
121141057730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121141057730 is an abundant number, since it is smaller than the sum of its proper divisors (162538370878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121141057730 is a wasteful number, since it uses less digits than its factorization.
121141057730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6840311.
The product of its (nonzero) digits is 5880, while the sum is 32.
Adding to 121141057730 its reverse (37750141121), we get a palindrome (158891198851).
The spelling of 121141057730 in words is "one hundred twenty-one billion, one hundred forty-one million, fifty-seven thousand, seven hundred thirty".
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