Base | Representation |
---|---|
bin | 110111111100100110… |
… | …1100110111100000110 |
3 | 102111010010102002201220 |
4 | 1233321031212330012 |
5 | 3432024133224032 |
6 | 131105520501210 |
7 | 11452211305335 |
oct | 1577115467406 |
9 | 374103362656 |
10 | 120145211142 |
11 | 46a53926430 |
12 | 1b35047a806 |
13 | b4392ca618 |
14 | 5b5a745d1c |
15 | 31d2adb12c |
hex | 1bf9366f06 |
120145211142 has 16 divisors (see below), whose sum is σ = 262135006272. Its totient is φ = 36407639720.
The previous prime is 120145211119. The next prime is 120145211191. The reversal of 120145211142 is 241112541021.
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, 910190928 + ... + 910191059.
It is an arithmetic number, because the mean of its divisors is an integer number (16383437892).
Almost surely, 2120145211142 is an apocalyptic number.
120145211142 is an abundant number, since it is smaller than the sum of its proper divisors (141989795130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120145211142 is a wasteful number, since it uses less digits than its factorization.
120145211142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1820382003.
The product of its (nonzero) digits is 640, while the sum is 24.
Adding to 120145211142 its reverse (241112541021), we get a palindrome (361257752163).
The spelling of 120145211142 in words is "one hundred twenty billion, one hundred forty-five million, two hundred eleven thousand, one hundred forty-two".
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