Base | Representation |
---|---|
bin | 11110110010000000010… |
… | …110100111010000100000 |
3 | 21111012220022110112010200 |
4 | 132302000112213100200 |
5 | 234124041443234443 |
6 | 4255424530025200 |
7 | 305552354365530 |
oct | 36620026472040 |
9 | 7435808415120 |
10 | 2115277321248 |
11 | 7460a19a2513 |
12 | 2a1b56118200 |
13 | 1246151aa170 |
14 | 745468c34c0 |
15 | 3a05355add3 |
hex | 1ec805a7420 |
2115277321248 has 144 divisors (see below), whose sum is σ = 7403470716096. Its totient is φ = 557875330560.
The previous prime is 2115277321229. The next prime is 2115277321279. The reversal of 2115277321248 is 8421237725112.
2115277321248 is a `hidden beast` number, since 2 + 1 + 1 + 527 + 73 + 2 + 12 + 48 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×21152773212482 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40329358 + ... + 40381773.
It is an arithmetic number, because the mean of its divisors is an integer number (51412991084).
Almost surely, 22115277321248 is an apocalyptic number.
2115277321248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2115277321248 is an abundant number, since it is smaller than the sum of its proper divisors (5288193394848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115277321248 is a wasteful number, since it uses less digits than its factorization.
2115277321248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80711167 (or 80711156 counting only the distinct ones).
The product of its digits is 376320, while the sum is 45.
The spelling of 2115277321248 in words is "two trillion, one hundred fifteen billion, two hundred seventy-seven million, three hundred twenty-one thousand, two hundred forty-eight".
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