Base | Representation |
---|---|
bin | 11100110100011001110… |
… | …000011101010110110000 |
3 | 21000022210022200020200000 |
4 | 130310121300131112300 |
5 | 224421340441311013 |
6 | 4113442211230000 |
7 | 263036312510400 |
oct | 34643160352660 |
9 | 7008708606600 |
10 | 1980412057008 |
11 | 6a3984a82350 |
12 | 27b997ba8300 |
13 | 1149a135cc68 |
14 | 6bbd11ca800 |
15 | 367ad507973 |
hex | 1cd19c1d5b0 |
1980412057008 has 720 divisors, whose sum is σ = 7359326222976. Its totient is φ = 509779630080.
The previous prime is 1980412056991. The next prime is 1980412057027. The reversal of 1980412057008 is 8007502140891.
1980412057008 is a `hidden beast` number, since 19 + 8 + 0 + 41 + 20 + 570 + 0 + 8 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 236802235 + ... + 236810597.
Almost surely, 21980412057008 is an apocalyptic number.
1980412057008 is a gapful number since it is divisible by the number (18) 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 1980412057008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679663111488).
1980412057008 is an abundant number, since it is smaller than the sum of its proper divisors (5378914165968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1980412057008 is a wasteful number, since it uses less digits than its factorization.
1980412057008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8524 (or 8499 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 45.
Adding to 1980412057008 its reverse (8007502140891), we get a palindrome (9987914197899).
The spelling of 1980412057008 in words is "one trillion, nine hundred eighty billion, four hundred twelve million, fifty-seven thousand, eight".
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