Base | Representation |
---|---|
bin | 10101101100100110110… |
… | …011100011101001000000 |
3 | 12021112112200101121121112 |
4 | 111230212303203221000 |
5 | 143412034200414443 |
6 | 3100542541142452 |
7 | 212502325564526 |
oct | 25544663435100 |
9 | 5245480347545 |
10 | 1491004701248 |
11 | 525371313297 |
12 | 200b7255aa28 |
13 | aa7a792111a |
14 | 52244b1a316 |
15 | 28bb77eab18 |
hex | 15b26ce3a40 |
1491004701248 has 56 divisors (see below), whose sum is σ = 3028187134368. Its totient is φ = 728004566016.
The previous prime is 1491004701223. The next prime is 1491004701289. The reversal of 1491004701248 is 8421074001941.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12940340 + ... + 13055052.
Almost surely, 21491004701248 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 1491004701248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514093567184).
1491004701248 is an abundant number, since it is smaller than the sum of its proper divisors (1537182433120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1491004701248 is a wasteful number, since it uses less digits than its factorization.
1491004701248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119491 (or 119481 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 41.
The spelling of 1491004701248 in words is "one trillion, four hundred ninety-one billion, four million, seven hundred one thousand, two hundred forty-eight".
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