Base | Representation |
---|---|
bin | 101000110111110… |
… | …1010110110010000 |
3 | 10112120121220202220 |
4 | 1101233222312100 |
5 | 10302042411033 |
6 | 344030541040 |
7 | 45662065512 |
oct | 12157526620 |
9 | 3476556686 |
10 | 1371450768 |
11 | 64416a296 |
12 | 323367780 |
13 | 18b193c3c |
14 | d01ddbb2 |
15 | 80605bb3 |
hex | 51bead90 |
1371450768 has 80 divisors (see below), whose sum is σ = 3628624896. Its totient is φ = 446221440.
The previous prime is 1371450733. The next prime is 1371450793. The reversal of 1371450768 is 8670541731.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349071 + ... + 352977.
Almost surely, 21371450768 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 1371450768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814312448).
1371450768 is an abundant number, since it is smaller than the sum of its proper divisors (2257174128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1371450768 is a wasteful number, since it uses less digits than its factorization.
1371450768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4092 (or 4086 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 1371450768 is about 37033.1036776558. The cubic root of 1371450768 is about 1111.0324425310.
The spelling of 1371450768 in words is "one billion, three hundred seventy-one million, four hundred fifty thousand, seven hundred sixty-eight".
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