Base | Representation |
---|---|
bin | 10101110010101110100… |
… | …11011011101010101100 |
3 | 2122120202101122110221220 |
4 | 22321113103123222230 |
5 | 44232004442140411 |
6 | 1331553335223340 |
7 | 105045455444205 |
oct | 12712723335254 |
9 | 2576671573856 |
10 | 748789021356 |
11 | 269617977552 |
12 | 101153b17b50 |
13 | 557c237034c |
14 | 28354c885ac |
15 | 14727493b06 |
hex | ae574dbaac |
748789021356 has 24 divisors (see below), whose sum is σ = 1750964362224. Its totient is φ = 249054914880.
The previous prime is 748789021313. The next prime is 748789021363. The reversal of 748789021356 is 653120987847.
It is a self number, because there is not a number n which added to its sum of digits gives 748789021356.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67672435 + ... + 67683498.
It is an arithmetic number, because the mean of its divisors is an integer number (72956848426).
It is a 1-persistent number, because it is pandigital, but 2⋅748789021356 = 1497578042712 is not.
Almost surely, 2748789021356 is an apocalyptic number.
It is an amenable number.
748789021356 is an abundant number, since it is smaller than the sum of its proper divisors (1002175340868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
748789021356 is a wasteful number, since it uses less digits than its factorization.
748789021356 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135356401 (or 135356399 counting only the distinct ones).
The product of its (nonzero) digits is 20321280, while the sum is 60.
The spelling of 748789021356 in words is "seven hundred forty-eight billion, seven hundred eighty-nine million, twenty-one thousand, three hundred fifty-six".
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