Base | Representation |
---|---|
bin | 10001001010101111… |
… | …11001011001001100 |
3 | 212210100022212200000 |
4 | 20211113321121030 |
5 | 122334020042410 |
6 | 4122331204300 |
7 | 444255555531 |
oct | 104527713114 |
9 | 25710285600 |
10 | 9216955980 |
11 | 39aa8054a1 |
12 | 19528a6690 |
13 | b3b6c330b |
14 | 63616cd88 |
15 | 38e284dc0 |
hex | 2255f964c |
9216955980 has 144 divisors (see below), whose sum is σ = 29107862784. Its totient is φ = 2448169920.
The previous prime is 9216955973. The next prime is 9216955981. The reversal of 9216955980 is 895596129.
9216955980 is a `hidden beast` number, since 9 + 2 + 1 + 6 + 9 + 559 + 80 = 666.
9216955980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (9216955981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1274575 + ... + 1281785.
It is an arithmetic number, because the mean of its divisors is an integer number (202137936).
Almost surely, 29216955980 is an apocalyptic number.
9216955980 is a gapful number since it is divisible by the number (90) 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 9216955980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14553931392).
9216955980 is an abundant number, since it is smaller than the sum of its proper divisors (19890906804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9216955980 is a wasteful number, since it uses less digits than its factorization.
9216955980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7498 (or 7484 counting only the distinct ones).
The product of its (nonzero) digits is 1749600, while the sum is 54.
The square root of 9216955980 is about 96004.9789333866. The cubic root of 9216955980 is about 2096.6656063895.
The spelling of 9216955980 in words is "nine billion, two hundred sixteen million, nine hundred fifty-five thousand, nine hundred eighty".
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