Base | Representation |
---|---|
bin | 111000000001010110… |
… | …0100010000010001001 |
3 | 102111112012210021201012 |
4 | 1300002230202002021 |
5 | 3432340400444312 |
6 | 131133402533305 |
7 | 11456152532510 |
oct | 1600254420211 |
9 | 374465707635 |
10 | 120304312457 |
11 | 4702571461a |
12 | 1b395807235 |
13 | b463265004 |
14 | 5b7391d677 |
15 | 31e1a67322 |
hex | 1c02b22089 |
120304312457 has 8 divisors (see below), whose sum is σ = 138413400000. Its totient is φ = 102425914224.
The previous prime is 120304312441. The next prime is 120304312493. The reversal of 120304312457 is 754213403021.
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 120304312457 - 24 = 120304312441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120304312757) 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, 57671207 + ... + 57673292.
It is an arithmetic number, because the mean of its divisors is an integer number (17301675000).
Almost surely, 2120304312457 is an apocalyptic number.
It is an amenable number.
120304312457 is a deficient number, since it is larger than the sum of its proper divisors (18109087543).
120304312457 is a wasteful number, since it uses less digits than its factorization.
120304312457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115344655.
The product of its (nonzero) digits is 20160, while the sum is 32.
Adding to 120304312457 its reverse (754213403021), we get a palindrome (874517715478).
The spelling of 120304312457 in words is "one hundred twenty billion, three hundred four million, three hundred twelve thousand, four hundred fifty-seven".
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