Base | Representation |
---|---|
bin | 10010110001011110110… |
… | …111001000101000011100 |
3 | 11120022221000022121221210 |
4 | 102301132313020220130 |
5 | 132114041403403010 |
6 | 2424353320024420 |
7 | 162130266344064 |
oct | 22613667105034 |
9 | 4508830277853 |
10 | 1290081700380 |
11 | 45813653a960 |
12 | 18a039902110 |
13 | 948673142b5 |
14 | 466242123a4 |
15 | 23858304b20 |
hex | 12c5edc8a1c |
1290081700380 has 96 divisors (see below), whose sum is σ = 3994594345728. Its totient is φ = 308462860800.
The previous prime is 1290081700361. The next prime is 1290081700403. The reversal of 1290081700380 is 830071800921.
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, 13339966 + ... + 13436325.
It is an arithmetic number, because the mean of its divisors is an integer number (41610357768).
Almost surely, 21290081700380 is an apocalyptic number.
1290081700380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1290081700380 is an abundant number, since it is smaller than the sum of its proper divisors (2704512645348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1290081700380 is a wasteful number, since it uses less digits than its factorization.
1290081700380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26776387 (or 26776385 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 39.
The spelling of 1290081700380 in words is "one trillion, two hundred ninety billion, eighty-one million, seven hundred thousand, three hundred eighty".
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