Base | Representation |
---|---|
bin | 111011010101110101… |
… | …1000011000101111100 |
3 | 110011221010000011002202 |
4 | 1312223223003011330 |
5 | 4041441131143010 |
6 | 134313102011032 |
7 | 12130640112416 |
oct | 1665353030574 |
9 | 404833004082 |
10 | 127434240380 |
11 | 4a054340a37 |
12 | 20845576a78 |
13 | c02b45c985 |
14 | 624c81b9b6 |
15 | 34ac9986a5 |
hex | 1dabac317c |
127434240380 has 24 divisors (see below), whose sum is σ = 267618730848. Its totient is φ = 50972395968.
The previous prime is 127434240347. The next prime is 127434240389. The reversal of 127434240380 is 83042434721.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127434240389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272497 + ... + 1368983.
It is an arithmetic number, because the mean of its divisors is an integer number (11150780452).
Almost surely, 2127434240380 is an apocalyptic number.
127434240380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127434240380 is an abundant number, since it is smaller than the sum of its proper divisors (140184490468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127434240380 is a wasteful number, since it uses less digits than its factorization.
127434240380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162533 (or 162531 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 38.
The spelling of 127434240380 in words is "one hundred twenty-seven billion, four hundred thirty-four million, two hundred forty thousand, three hundred eighty".
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