Base | Representation |
---|---|
bin | 10010100011000100… |
… | …01011010010010000 |
3 | 221200222110002201220 |
4 | 21101202023102100 |
5 | 130343202120313 |
6 | 4324035125040 |
7 | 501523212300 |
oct | 112142132220 |
9 | 27628402656 |
10 | 9957848208 |
11 | 424aa44820 |
12 | 1b1aa43780 |
13 | c2904c399 |
14 | 6a670d600 |
15 | 3d4333823 |
hex | 25188b490 |
9957848208 has 120 divisors (see below), whose sum is σ = 32644830240. Its totient is φ = 2586447360.
The previous prime is 9957848203. The next prime is 9957848239. The reversal of 9957848208 is 8028487599.
It is a super-2 number, since 2×99578482082 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (9957848203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166573 + ... + 218316.
It is an arithmetic number, because the mean of its divisors is an integer number (272040252).
Almost surely, 29957848208 is an apocalyptic number.
9957848208 is a gapful number since it is divisible by the number (98) formed by its first and last digit.
It is an amenable number.
9957848208 is an abundant number, since it is smaller than the sum of its proper divisors (22686982032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9957848208 is a wasteful number, since it uses less digits than its factorization.
9957848208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384925 (or 384912 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 60.
The square root of 9957848208 is about 99789.0184739784. The cubic root of 9957848208 is about 2151.4033173430.
The spelling of 9957848208 in words is "nine billion, nine hundred fifty-seven million, eight hundred forty-eight thousand, two hundred eight".
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