Base | Representation |
---|---|
bin | 1111001010100… |
… | …00010101000000 |
3 | 22212100202211000 |
4 | 13211100111000 |
5 | 230031103340 |
6 | 20342252000 |
7 | 3103145034 |
oct | 745202500 |
9 | 285322730 |
10 | 127206720 |
11 | 65894323 |
12 | 36727000 |
13 | 2047b264 |
14 | 12c741c4 |
15 | b27ad30 |
hex | 7950540 |
127206720 has 112 divisors (see below), whose sum is σ = 448787520. Its totient is φ = 33919488.
The previous prime is 127206707. The next prime is 127206743. The reversal of 127206720 is 27602721.
It is a super-2 number, since 2×1272067202 = 32363099226316800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 16001.
Almost surely, 2127206720 is an apocalyptic number.
127206720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 127206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224393760).
127206720 is an abundant number, since it is smaller than the sum of its proper divisors (321580800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127206720 is a wasteful number, since it uses less digits than its factorization.
127206720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14749 (or 14733 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 127206720 is about 11278.5956572616. The cubic root of 127206720 is about 502.9251469915.
The spelling of 127206720 in words is "one hundred twenty-seven million, two hundred six thousand, seven hundred twenty".
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