Base | Representation |
---|---|
bin | 10101110010111000111… |
… | …01001111111110011110 |
3 | 2122120222102100002021120 |
4 | 22321130131033332132 |
5 | 44232144110342430 |
6 | 1332010104311410 |
7 | 105050555363130 |
oct | 12713435177636 |
9 | 2576872302246 |
10 | 748875480990 |
11 | 26966175a99a |
12 | 101178a72566 |
13 | 558072529b0 |
14 | 28362553050 |
15 | 1472ed71610 |
hex | ae5c74ff9e |
748875480990 has 128 divisors (see below), whose sum is σ = 2215424977920. Its totient is φ = 157764354048.
The previous prime is 748875480973. The next prime is 748875481027. The reversal of 748875480990 is 99084578847.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1590942 + ... + 2007198.
It is an arithmetic number, because the mean of its divisors is an integer number (17308007640).
Almost surely, 2748875480990 is an apocalyptic number.
748875480990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 748875480990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107712488960).
748875480990 is an abundant number, since it is smaller than the sum of its proper divisors (1466549496930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
748875480990 is a wasteful number, since it uses less digits than its factorization.
748875480990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416946.
The product of its (nonzero) digits is 162570240, while the sum is 69.
The spelling of 748875480990 in words is "seven hundred forty-eight billion, eight hundred seventy-five million, four hundred eighty thousand, nine hundred ninety".
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