Base | Representation |
---|---|
bin | 101011011110010111101… |
… | …110110101000000000000 |
3 | 101120121101100110100210020 |
4 | 223132113232311000000 |
5 | 342421444230443143 |
6 | 10204243251533440 |
7 | 425562136130136 |
oct | 53362756650000 |
9 | 11517340410706 |
10 | 2987547906048 |
11 | a520149a9242 |
12 | 40300b8ba280 |
13 | 188955b17584 |
14 | a4853233756 |
15 | 52aa646e883 |
hex | 2b797bb5000 |
2987547906048 has 416 divisors, whose sum is σ = 8439351120000. Its totient is φ = 938507501568.
The previous prime is 2987547906047. The next prime is 2987547906071. The reversal of 2987547906048 is 8406097457892.
It is a super-4 number, since 4×29875479060484 (a number of 51 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2987547906047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5987069703 + ... + 5987070201.
Almost surely, 22987547906048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2987547906048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219675560000).
2987547906048 is an abundant number, since it is smaller than the sum of its proper divisors (5451803213952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2987547906048 is a wasteful number, since it uses less digits than its factorization.
2987547906048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 925 (or 903 counting only the distinct ones).
The product of its (nonzero) digits is 243855360, while the sum is 69.
The spelling of 2987547906048 in words is "two trillion, nine hundred eighty-seven billion, five hundred forty-seven million, nine hundred six thousand, forty-eight".
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