Base | Representation |
---|---|
bin | 11011010101011011101110… |
… | …010101100000110110010101 |
3 | 120202122221011210021212122220 |
4 | 123111123232111200312111 |
5 | 111224141313101411041 |
6 | 1103404211120012553 |
7 | 34215421654606464 |
oct | 3325335625406625 |
9 | 522587153255586 |
10 | 120220133232021 |
11 | 35340088093639 |
12 | 11597573461159 |
13 | 521092c901394 |
14 | 2198984dd89db |
15 | dd73053b1d66 |
hex | 6d56ee560d95 |
120220133232021 has 16 divisors (see below), whose sum is σ = 160319344348800. Its totient is φ = 80133839642880.
The previous prime is 120220133231983. The next prime is 120220133232029. The reversal of 120220133232021 is 120232331022021.
It is not a de Polignac number, because 120220133232021 - 213 = 120220133223829 is a prime.
It is a super-2 number, since 2×1202201332320212 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120220133231982 and 120220133232000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120220133232029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688265505 + ... + 688440153.
It is an arithmetic number, because the mean of its divisors is an integer number (10019959021800).
Almost surely, 2120220133232021 is an apocalyptic number.
It is an amenable number.
120220133232021 is a deficient number, since it is larger than the sum of its proper divisors (40099211116779).
120220133232021 is a wasteful number, since it uses less digits than its factorization.
120220133232021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210316.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 120220133232021 its reverse (120232331022021), we get a palindrome (240452464254042).
The spelling of 120220133232021 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred thirty-three million, two hundred thirty-two thousand, twenty-one".
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