Base | Representation |
---|---|
bin | 110111111110010001… |
… | …1001111000010111010 |
3 | 102111021000210020121002 |
4 | 1233330203033002322 |
5 | 3432133002241330 |
6 | 131115241045002 |
7 | 11453461305401 |
oct | 1577443170272 |
9 | 374230706532 |
10 | 120201212090 |
11 | 46a824a5803 |
12 | 1b367186762 |
13 | b447aa728b |
14 | 5b63d62638 |
15 | 31d799de45 |
hex | 1bfc8cf0ba |
120201212090 has 16 divisors (see below), whose sum is σ = 216371448072. Its totient is φ = 48078425664.
The previous prime is 120201212083. The next prime is 120201212119. The reversal of 120201212090 is 90212102021.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 54537662089 + 65663550001 = 233533^2 + 256249^2 .
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, 32 + ... + 490308.
Almost surely, 2120201212090 is an apocalyptic number.
120201212090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120201212090 is a deficient number, since it is larger than the sum of its proper divisors (96170235982).
120201212090 is a wasteful number, since it uses less digits than its factorization.
120201212090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514801.
The product of its (nonzero) digits is 144, while the sum is 20.
The spelling of 120201212090 in words is "one hundred twenty billion, two hundred one million, two hundred twelve thousand, ninety".
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