Base | Representation |
---|---|
bin | 110111111000111111… |
… | …1100110111001000100 |
3 | 102110210200112001001121 |
4 | 1233301333212321010 |
5 | 3431302132203140 |
6 | 131045513003324 |
7 | 11446211010010 |
oct | 1576177467104 |
9 | 373720461047 |
10 | 120024100420 |
11 | 469a1526124 |
12 | 1b3179b3544 |
13 | b41a1a4c83 |
14 | 5b4861b540 |
15 | 31c716664a |
hex | 1bf1fe6e44 |
120024100420 has 48 divisors (see below), whose sum is σ = 291027542400. Its totient is φ = 40726877184.
The previous prime is 120024100411. The next prime is 120024100429. The reversal of 120024100420 is 24001420021.
It is an interprime number because it is at equal distance from previous prime (120024100411) and next prime (120024100429).
It is a junction number, because it is equal to n+sod(n) for n = 120024100394 and 120024100403.
It is not an unprimeable number, because it can be changed into a prime (120024100429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4405570 + ... + 4432729.
It is an arithmetic number, because the mean of its divisors is an integer number (6063073800).
Almost surely, 2120024100420 is an apocalyptic number.
120024100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120024100420 is an abundant number, since it is smaller than the sum of its proper divisors (171003441980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120024100420 is a wasteful number, since it uses less digits than its factorization.
120024100420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8838412 (or 8838410 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 120024100420 its reverse (24001420021), we get a palindrome (144025520441).
The spelling of 120024100420 in words is "one hundred twenty billion, twenty-four million, one hundred thousand, four hundred twenty".
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