Base | Representation |
---|---|
bin | 11111111110001001110… |
… | …010100001110100000000 |
3 | 21210000221111101121000110 |
4 | 133332021302201310000 |
5 | 241444014220400134 |
6 | 4401150052151320 |
7 | 314505461656026 |
oct | 37761162416400 |
9 | 7700844347013 |
10 | 2197040012544 |
11 | 7778398a0663 |
12 | 2b5974308540 |
13 | 12c24556b480 |
14 | 784a17c2716 |
15 | 3c23b6637e9 |
hex | 1ff89ca1d00 |
2197040012544 has 288 divisors, whose sum is σ = 6416872443520. Its totient is φ = 663254728704.
The previous prime is 2197040012501. The next prime is 2197040012569. The reversal of 2197040012544 is 4452100407912.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140656767 + ... + 140672385.
Almost surely, 22197040012544 is an apocalyptic number.
2197040012544 is a gapful number since it is divisible by the number (24) 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 2197040012544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208436221760).
2197040012544 is an abundant number, since it is smaller than the sum of its proper divisors (4219832430976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2197040012544 is a wasteful number, since it uses less digits than its factorization.
2197040012544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15917 (or 15903 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 2197040012544 in words is "two trillion, one hundred ninety-seven billion, forty million, twelve thousand, five hundred forty-four".
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