Base | Representation |
---|---|
bin | 111000010010001111… |
… | …0110100000110010100 |
3 | 102112222201101012100211 |
4 | 1300210132310012110 |
5 | 3440021003014110 |
6 | 131305532015204 |
7 | 11506204516234 |
oct | 1604436640624 |
9 | 375881335324 |
10 | 120871141780 |
11 | 47296676904 |
12 | 1b513601504 |
13 | b52381868c |
14 | 5bc8d0dcc4 |
15 | 32266d198a |
hex | 1c247b4194 |
120871141780 has 24 divisors (see below), whose sum is σ = 258131593440. Its totient is φ = 47528990880.
The previous prime is 120871141757. The next prime is 120871141801. The reversal of 120871141780 is 87141178021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51215406 + ... + 51217765.
It is an arithmetic number, because the mean of its divisors is an integer number (10755483060).
Almost surely, 2120871141780 is an apocalyptic number.
120871141780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120871141780 is an abundant number, since it is smaller than the sum of its proper divisors (137260451660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120871141780 is a wasteful number, since it uses less digits than its factorization.
120871141780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102433239 (or 102433237 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 40.
The spelling of 120871141780 in words is "one hundred twenty billion, eight hundred seventy-one million, one hundred forty-one thousand, seven hundred eighty".
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