Base | Representation |
---|---|
bin | 111000011111010100… |
… | …1010011111010010100 |
3 | 102121010022100122101220 |
4 | 1300332221103322110 |
5 | 3441420341214030 |
6 | 131421252250340 |
7 | 11523114563154 |
oct | 1607651237224 |
9 | 377108318356 |
10 | 121310101140 |
11 | 474a1431538 |
12 | 1b6166109b0 |
13 | b59374ac47 |
14 | 5c2b336764 |
15 | 324eedda10 |
hex | 1c3ea53e94 |
121310101140 has 48 divisors (see below), whose sum is σ = 339705465792. Its totient is φ = 32345819136.
The previous prime is 121310101127. The next prime is 121310101153. The reversal of 121310101140 is 41101013121.
121310101140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (121310101127) and next prime (121310101153).
It is a super-2 number, since 2×1213101011402 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466932 + ... + 678708.
It is an arithmetic number, because the mean of its divisors is an integer number (7077197204).
Almost surely, 2121310101140 is an apocalyptic number.
121310101140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121310101140 is an abundant number, since it is smaller than the sum of its proper divisors (218395364652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121310101140 is a wasteful number, since it uses less digits than its factorization.
121310101140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221336 (or 221334 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 121310101140 its reverse (41101013121), we get a palindrome (162411114261).
The spelling of 121310101140 in words is "one hundred twenty-one billion, three hundred ten million, one hundred one thousand, one hundred forty".
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