Base | Representation |
---|---|
bin | 111011001011111001… |
… | …0011110101111101010 |
3 | 110011001212021201100111 |
4 | 1312113302132233222 |
5 | 4040300231104310 |
6 | 134220023524534 |
7 | 12116446436242 |
oct | 1662762365752 |
9 | 404055251314 |
10 | 127100644330 |
11 | 499a3000320 |
12 | 207718b974a |
13 | bca72cb16a |
14 | 621a3c0b22 |
15 | 348d55028a |
hex | 1d97c9ebea |
127100644330 has 64 divisors (see below), whose sum is σ = 264640296960. Its totient is φ = 43437184000.
The previous prime is 127100644309. The next prime is 127100644339. The reversal of 127100644330 is 33446001721.
It is a super-2 number, since 2×1271006443302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 127100644292 and 127100644301.
It is not an unprimeable number, because it can be changed into a prime (127100644339) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262391 + ... + 1359349.
It is an arithmetic number, because the mean of its divisors is an integer number (4135004640).
Almost surely, 2127100644330 is an apocalyptic number.
127100644330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
127100644330 is an abundant number, since it is smaller than the sum of its proper divisors (137539652630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127100644330 is a wasteful number, since it uses less digits than its factorization.
127100644330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97695.
The product of its (nonzero) digits is 12096, while the sum is 31.
The spelling of 127100644330 in words is "one hundred twenty-seven billion, one hundred million, six hundred forty-four thousand, three hundred thirty".
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