Base | Representation |
---|---|
bin | 1000111100100101001… |
… | …01001101111110011001 |
3 | 1002101110100220220211100 |
4 | 10132102211031332121 |
5 | 20014024342024441 |
6 | 353115105422013 |
7 | 31131464051400 |
oct | 4362245157631 |
9 | 1071410826740 |
10 | 307401908121 |
11 | 1094063aa440 |
12 | 4b6b033a909 |
13 | 22cac4937b9 |
14 | 10c421dc637 |
15 | 7ee2416cb6 |
hex | 479294df99 |
307401908121 has 36 divisors (see below), whose sum is σ = 563475120624. Its totient is φ = 159689300400.
The previous prime is 307401908117. The next prime is 307401908153. The reversal of 307401908121 is 121809104703.
It is a happy number.
307401908121 is a `hidden beast` number, since 307 + 40 + 190 + 8 + 121 = 666.
It is not a de Polignac number, because 307401908121 - 22 = 307401908117 is a prime.
It is not an unprimeable number, because it can be changed into a prime (307401908221) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31679535 + ... + 31689236.
It is an arithmetic number, because the mean of its divisors is an integer number (15652086684).
Almost surely, 2307401908121 is an apocalyptic number.
It is an amenable number.
307401908121 is a deficient number, since it is larger than the sum of its proper divisors (256073212503).
307401908121 is a wasteful number, since it uses less digits than its factorization.
307401908121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63368802 (or 63368792 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The spelling of 307401908121 in words is "three hundred seven billion, four hundred one million, nine hundred eight thousand, one hundred twenty-one".
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