Base | Representation |
---|---|
bin | 111011100000011100… |
… | …1100110011100100100 |
3 | 110012211221010202100022 |
4 | 1313000321212130210 |
5 | 4043203314023430 |
6 | 134412303134312 |
7 | 12142523165015 |
oct | 1670071463444 |
9 | 405757122308 |
10 | 127790376740 |
11 | 4a217377504 |
12 | 209248a4398 |
13 | c087183c50 |
14 | 6283c4500c |
15 | 34cdd954e5 |
hex | 1dc0e66724 |
127790376740 has 48 divisors (see below), whose sum is σ = 290127528432. Its totient is φ = 47000518656.
The previous prime is 127790376739. The next prime is 127790376743. The reversal of 127790376740 is 47673097721.
127790376740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 17709754084 + 110080622656 = 133078^2 + 331784^2 .
It is a super-2 number, since 2×1277903767402 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (127790376743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889409 + ... + 1023048.
It is an arithmetic number, because the mean of its divisors is an integer number (6044323509).
Almost surely, 2127790376740 is an apocalyptic number.
127790376740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127790376740 is an abundant number, since it is smaller than the sum of its proper divisors (162337151692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127790376740 is a wasteful number, since it uses less digits than its factorization.
127790376740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1912736 (or 1912734 counting only the distinct ones).
The product of its (nonzero) digits is 3111696, while the sum is 53.
The spelling of 127790376740 in words is "one hundred twenty-seven billion, seven hundred ninety million, three hundred seventy-six thousand, seven hundred forty".
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