Base | Representation |
---|---|
bin | 111000010111000000… |
… | …1110001111101100011 |
3 | 102120101212202020021021 |
4 | 1300232001301331203 |
5 | 3440333003144021 |
6 | 131333452510311 |
7 | 11513161046503 |
oct | 1605601617543 |
9 | 376355666237 |
10 | 121031303011 |
11 | 47369019363 |
12 | 1b55917b397 |
13 | b54aa64638 |
14 | 5c022c1a03 |
15 | 32357bbc41 |
hex | 1c2e071f63 |
121031303011 has 8 divisors (see below), whose sum is σ = 126103163904. Its totient is φ = 116032418760.
The previous prime is 121031302999. The next prime is 121031303059. The reversal of 121031303011 is 110303130121.
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 121031303011 - 221 = 121029205859 is a prime.
It is a super-2 number, since 2×1210313030112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121031303411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18240775 + ... + 18247408.
It is an arithmetic number, because the mean of its divisors is an integer number (15762895488).
Almost surely, 2121031303011 is an apocalyptic number.
121031303011 is a deficient number, since it is larger than the sum of its proper divisors (5071860893).
121031303011 is a wasteful number, since it uses less digits than its factorization.
121031303011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36488321.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 121031303011 its reverse (110303130121), we get a palindrome (231334433132).
The spelling of 121031303011 in words is "one hundred twenty-one billion, thirty-one million, three hundred three thousand, eleven".
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