Base | Representation |
---|---|
bin | 101001110001010110100… |
… | …111111001000010000000 |
3 | 101011102020111002100120110 |
4 | 221301112213321002000 |
5 | 334012231302422040 |
6 | 10034404025511320 |
7 | 414246311521020 |
oct | 51612647710200 |
9 | 11142214070513 |
10 | 2870491451520 |
11 | a07406655430 |
12 | 3a43a1942540 |
13 | 17a8bc7094b4 |
14 | 9cd0abd9a80 |
15 | 4ea04b0a980 |
hex | 29c569f9080 |
2870491451520 has 512 divisors, whose sum is σ = 11431118131200. Its totient is φ = 595226050560.
The previous prime is 2870491451419. The next prime is 2870491451549. The reversal of 2870491451520 is 251541940782.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 2870491451520.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71978146 + ... + 72018014.
It is an arithmetic number, because the mean of its divisors is an integer number (22326402600).
Almost surely, 22870491451520 is an apocalyptic number.
2870491451520 is a gapful number since it is divisible by the number (20) 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 2870491451520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5715559065600).
2870491451520 is an abundant number, since it is smaller than the sum of its proper divisors (8560626679680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2870491451520 is a wasteful number, since it uses less digits than its factorization.
2870491451520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40396 (or 40384 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 48.
The spelling of 2870491451520 in words is "two trillion, eight hundred seventy billion, four hundred ninety-one million, four hundred fifty-one thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •