Base | Representation |
---|---|
bin | 1111001000010… |
… | …10100110000000 |
3 | 22211211021000001 |
4 | 13210022212000 |
5 | 224442433323 |
6 | 20332205344 |
7 | 3100545220 |
oct | 744124600 |
9 | 284737001 |
10 | 126921088 |
11 | 65709768 |
12 | 36609854 |
13 | 203ab248 |
14 | 12bdc080 |
15 | b2213ad |
hex | 790a980 |
126921088 has 32 divisors (see below), whose sum is σ = 288974160. Its totient is φ = 54394368.
The previous prime is 126921071. The next prime is 126921089. The reversal of 126921088 is 880129621.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×1269210882 = 32217925158207488, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126921089) 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, 69931 + ... + 71722.
Almost surely, 2126921088 is an apocalyptic number.
It is an amenable number.
126921088 is an abundant number, since it is smaller than the sum of its proper divisors (162053072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126921088 is an equidigital number, since it uses as much as digits as its factorization.
126921088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141674 (or 141662 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 37.
The square root of 126921088 is about 11265.9259717078. The cubic root of 126921088 is about 502.5484395108.
The spelling of 126921088 in words is "one hundred twenty-six million, nine hundred twenty-one thousand, eighty-eight".
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