Base | Representation |
---|---|
bin | 111011100010100100… |
… | …0000010101110110000 |
3 | 110020000212112120122010 |
4 | 1313011020002232300 |
5 | 4043324441141342 |
6 | 134423314442520 |
7 | 12144343606134 |
oct | 1670510025660 |
9 | 406025476563 |
10 | 127861271472 |
11 | 4a2533997a0 |
12 | 20944593440 |
13 | c098a76aac |
14 | 628d41b3c4 |
15 | 34d51eb29c |
hex | 1dc5202bb0 |
127861271472 has 40 divisors (see below), whose sum is σ = 360336312000. Its totient is φ = 38745839680.
The previous prime is 127861271431. The next prime is 127861271497. The reversal of 127861271472 is 274172168721.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121080222 + ... + 121081277.
It is an arithmetic number, because the mean of its divisors is an integer number (9008407800).
Almost surely, 2127861271472 is an apocalyptic number.
127861271472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
127861271472 is an abundant number, since it is smaller than the sum of its proper divisors (232475040528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127861271472 is a wasteful number, since it uses less digits than its factorization.
127861271472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242161521 (or 242161515 counting only the distinct ones).
The product of its digits is 526848, while the sum is 48.
The spelling of 127861271472 in words is "one hundred twenty-seven billion, eight hundred sixty-one million, two hundred seventy-one thousand, four hundred seventy-two".
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