Base | Representation |
---|---|
bin | 10001100001100010… |
… | …01110001001100010 |
3 | 220021200002020021200 |
4 | 20300301032021202 |
5 | 123231441101340 |
6 | 4153321102030 |
7 | 452066622111 |
oct | 106061161142 |
9 | 26250066250 |
10 | 9408143970 |
11 | 3a987198a5 |
12 | 19a6927916 |
13 | b6c1b36c4 |
14 | 6536d9c78 |
15 | 3a0e4d330 |
hex | 230c4e262 |
9408143970 has 96 divisors (see below), whose sum is σ = 25121041920. Its totient is φ = 2442061440.
The previous prime is 9408143947. The next prime is 9408143977. The reversal of 9408143970 is 793418049.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (9408143977) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 495492 + ... + 514128.
It is an arithmetic number, because the mean of its divisors is an integer number (261677520).
Almost surely, 29408143970 is an apocalyptic number.
9408143970 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 9408143970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12560520960).
9408143970 is an abundant number, since it is smaller than the sum of its proper divisors (15712897950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9408143970 is a wasteful number, since it uses less digits than its factorization.
9408143970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18800 (or 18797 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 9408143970 is about 96995.5873738594. The cubic root of 9408143970 is about 2111.0636035405.
It can be divided in two parts, 940814 and 3970, that added together give a square (944784 = 9722).
The spelling of 9408143970 in words is "nine billion, four hundred eight million, one hundred forty-three thousand, nine hundred seventy".
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