Base | Representation |
---|---|
bin | 110111111110100010… |
… | …1100001111000001001 |
3 | 102111021122200222121012 |
4 | 1233331011201320021 |
5 | 3432142302431441 |
6 | 131120201453305 |
7 | 11453630600402 |
oct | 1577505417011 |
9 | 374248628535 |
10 | 120210202121 |
11 | 46a87586089 |
12 | 1b36a1a1235 |
13 | b449904219 |
14 | 5b652229a9 |
15 | 31d86779eb |
hex | 1bfd161e09 |
120210202121 has 8 divisors (see below), whose sum is σ = 126678682944. Its totient is φ = 113845217200.
The previous prime is 120210202087. The next prime is 120210202129. The reversal of 120210202121 is 121202012021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120210202121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120210202096 and 120210202105.
It is not an unprimeable number, because it can be changed into a prime (120210202129) 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, 25871591 + ... + 25876236.
It is an arithmetic number, because the mean of its divisors is an integer number (15834835368).
Almost surely, 2120210202121 is an apocalyptic number.
It is an amenable number.
120210202121 is a deficient number, since it is larger than the sum of its proper divisors (6468480823).
120210202121 is a wasteful number, since it uses less digits than its factorization.
120210202121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51747951.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 120210202121 its reverse (121202012021), we get a palindrome (241412214142).
The spelling of 120210202121 in words is "one hundred twenty billion, two hundred ten million, two hundred two thousand, one hundred twenty-one".
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