Base | Representation |
---|---|
bin | 110111111100011100… |
… | …1110011111010011001 |
3 | 102111002202122102202021 |
4 | 1233320321303322121 |
5 | 3432021321141101 |
6 | 131105213334441 |
7 | 11452116222031 |
oct | 1577071637231 |
9 | 374082572667 |
10 | 120140021401 |
11 | 46a50a01294 |
12 | 1b34a797421 |
13 | b43820137a |
14 | 5b59b948c1 |
15 | 31d24135a1 |
hex | 1bf8e73e99 |
120140021401 has 8 divisors (see below), whose sum is σ = 120497405000. Its totient is φ = 119782713600.
The previous prime is 120140021381. The next prime is 120140021501. The reversal of 120140021401 is 104120041021.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 62138524176 + 58001497225 = 249276^2 + 240835^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120140021401 - 25 = 120140021369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120140021501) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5538625 + ... + 5560273.
It is an arithmetic number, because the mean of its divisors is an integer number (15062175625).
Almost surely, 2120140021401 is an apocalyptic number.
It is an amenable number.
120140021401 is a deficient number, since it is larger than the sum of its proper divisors (357383599).
120140021401 is a wasteful number, since it uses less digits than its factorization.
120140021401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37899.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 120140021401 its reverse (104120041021), we get a palindrome (224260062422).
The spelling of 120140021401 in words is "one hundred twenty billion, one hundred forty million, twenty-one thousand, four hundred one".
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