Base | Representation |
---|---|
bin | 100110010011001101110… |
… | …010011110010000101100 |
3 | 100022121120200200111200010 |
4 | 212103031302132100230 |
5 | 321110234432424310 |
6 | 5333040025533220 |
7 | 361103506336500 |
oct | 46231562362054 |
9 | 10277520614603 |
10 | 2631972545580 |
11 | 925238983074 |
12 | 366116344210 |
13 | 16126a13a8b1 |
14 | 9156112c300 |
15 | 486e4c12320 |
hex | 264cdc9e42c |
2631972545580 has 288 divisors, whose sum is σ = 9315005736960. Its totient is φ = 551545666560.
The previous prime is 2631972545557. The next prime is 2631972545731. The reversal of 2631972545580 is 855452791362.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a self number, because there is not a number n which added to its sum of digits gives 2631972545580.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 971704 + ... + 2491616.
It is an arithmetic number, because the mean of its divisors is an integer number (32343769920).
It is a 1-persistent number, because it is pandigital, but 2⋅2631972545580 = 5263945091160 is not.
Almost surely, 22631972545580 is an apocalyptic number.
2631972545580 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 2631972545580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4657502868480).
2631972545580 is an abundant number, since it is smaller than the sum of its proper divisors (6683033191380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2631972545580 is a wasteful number, since it uses less digits than its factorization.
2631972545580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1519989 (or 1519980 counting only the distinct ones).
The product of its (nonzero) digits is 18144000, while the sum is 57.
The spelling of 2631972545580 in words is "two trillion, six hundred thirty-one billion, nine hundred seventy-two million, five hundred forty-five thousand, five hundred eighty".
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