Base | Representation |
---|---|
bin | 111011001011000000… |
… | …0110010101101010000 |
3 | 110010222210012120210122 |
4 | 1312112000302231100 |
5 | 4040220113413210 |
6 | 134213041045412 |
7 | 12115635222116 |
oct | 1662600625520 |
9 | 403883176718 |
10 | 127070841680 |
11 | 499881a5132 |
12 | 20763926868 |
13 | bca1094c63 |
14 | 6216463ab6 |
15 | 348ab14b55 |
hex | 1d96032b50 |
127070841680 has 20 divisors (see below), whose sum is σ = 295439707092. Its totient is φ = 50828336640.
The previous prime is 127070841673. The next prime is 127070841683. The reversal of 127070841680 is 86148070721.
It can be written as a sum of positive squares in 2 ways, for example, as 84299638336 + 42771203344 = 290344^2 + 206812^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×1270708416802 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127070841683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794192681 + ... + 794192840.
Almost surely, 2127070841680 is an apocalyptic number.
127070841680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127070841680 is an abundant number, since it is smaller than the sum of its proper divisors (168368865412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127070841680 is a wasteful number, since it uses less digits than its factorization.
127070841680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588385534 (or 1588385528 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 44.
The spelling of 127070841680 in words is "one hundred twenty-seven billion, seventy million, eight hundred forty-one thousand, six hundred eighty".
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