Base | Representation |
---|---|
bin | 111011001011111001… |
… | …1000011011001110000 |
3 | 110011001212120100022121 |
4 | 1312113303003121300 |
5 | 4040300300410410 |
6 | 134220031044024 |
7 | 12116450633062 |
oct | 1662763033160 |
9 | 404055510277 |
10 | 127100794480 |
11 | 499a30a3110 |
12 | 20771970614 |
13 | bca73515ca |
14 | 621a41d732 |
15 | 348d57e9da |
hex | 1d97cc3670 |
127100794480 has 80 divisors (see below), whose sum is σ = 322576327008. Its totient is φ = 46189440000.
The previous prime is 127100794411. The next prime is 127100794531. The reversal of 127100794480 is 84497001721.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×1271007944802 (a number of 23 digits) contains 22 as substring.
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, 1381930 + ... + 1471030.
Almost surely, 2127100794480 is an apocalyptic number.
127100794480 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 127100794480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161288163504).
127100794480 is an abundant number, since it is smaller than the sum of its proper divisors (195475532528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127100794480 is a wasteful number, since it uses less digits than its factorization.
127100794480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90746 (or 90740 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 43.
The spelling of 127100794480 in words is "one hundred twenty-seven billion, one hundred million, seven hundred ninety-four thousand, four hundred eighty".
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