Base | Representation |
---|---|
bin | 10010100101110010… |
… | …11111011101110000 |
3 | 221202120111222210110 |
4 | 21102321133131300 |
5 | 130420032044032 |
6 | 4330213501320 |
7 | 502221603513 |
oct | 112271373560 |
9 | 27676458713 |
10 | 9980737392 |
11 | 42619587aa |
12 | 1b26641840 |
13 | c30a04892 |
14 | 6a978ad7a |
15 | 3d63557cc |
hex | 252e5f770 |
9980737392 has 240 divisors, whose sum is σ = 28845296640. Its totient is φ = 2967224832.
The previous prime is 9980737337. The next prime is 9980737409. The reversal of 9980737392 is 2937370899.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 31484818 + ... + 31485134.
It is an arithmetic number, because the mean of its divisors is an integer number (120188736).
Almost surely, 29980737392 is an apocalyptic number.
9980737392 is a gapful number since it is divisible by the number (92) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9980737392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14422648320).
9980737392 is an abundant number, since it is smaller than the sum of its proper divisors (18864559248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9980737392 is a wasteful number, since it uses less digits than its factorization.
9980737392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468 (or 443 counting only the distinct ones).
The product of its (nonzero) digits is 5143824, while the sum is 57.
The square root of 9980737392 is about 99903.6405342668. The cubic root of 9980737392 is about 2153.0504664960.
The spelling of 9980737392 in words is "nine billion, nine hundred eighty million, seven hundred thirty-seven thousand, three hundred ninety-two".
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