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9489800980 = 2251143135459
BaseRepresentation
bin10001101011010001…
…01101111100010100
3220111100201211122101
420311220231330110
5123413342112410
64205355211444
7454110656152
oct106550557424
926440654571
109489800980
11402a821a30
121a0a146b84
13b830a406a
146604b43d2
153a81ccd3a
hex235a2df14

9489800980 has 24 divisors (see below), whose sum is σ = 21740271840. Its totient is φ = 3450836640.

The previous prime is 9489800921. The next prime is 9489800981. The reversal of 9489800980 is 890089849.

9489800980 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 (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489800981) 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 7 ways as a sum of consecutive naturals, for example, 21567510 + ... + 21567949.

It is an arithmetic number, because the mean of its divisors is an integer number (905844660).

Almost surely, 29489800980 is an apocalyptic number.

It is an amenable number.

9489800980 is an abundant number, since it is smaller than the sum of its proper divisors (12250470860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9489800980 is a wasteful number, since it uses less digits than its factorization.

9489800980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43135479 (or 43135477 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 9489800980 is about 97415.6095294794. The cubic root of 9489800980 is about 2117.1536040802.

The spelling of 9489800980 in words is "nine billion, four hundred eighty-nine million, eight hundred thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 43135459 86270918 172541836 215677295 431354590 474490049 862709180 948980098 1897960196 2372450245 4744900490 9489800980