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93122730980 = 2255389987097
BaseRepresentation
bin101011010111010001…
…1000001101111100100
322220100212211212201022
41112232203001233210
53011203404342410
6110440251150312
76504445103336
oct1265643015744
9286325755638
1093122730980
11365473990a4
121606a745398
138a20a787a6
144715931456
1526505b5455
hex15ae8c1be4

93122730980 has 48 divisors (see below), whose sum is σ = 201486443760. Its totient is φ = 36135610368.

The previous prime is 93122730971. The next prime is 93122730983. The reversal of 93122730980 is 8903722139.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21867902884 + 71254828096 = 147878^2 + 266936^2 .

It is not an unprimeable number, because it can be changed into a prime (93122730983) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 399209 + ... + 587888.

It is an arithmetic number, because the mean of its divisors is an integer number (4197634245).

Almost surely, 293122730980 is an apocalyptic number.

It is an amenable number.

93122730980 is an abundant number, since it is smaller than the sum of its proper divisors (108363712780).

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

93122730980 is a wasteful number, since it uses less digits than its factorization.

93122730980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987248 (or 987246 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 93122730980 in words is "ninety-three billion, one hundred twenty-two million, seven hundred thirty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 53 89 106 178 212 265 356 445 530 890 1060 1780 4717 9434 18868 23585 47170 94340 987097 1974194 3948388 4935485 9870970 19741940 52316141 87851633 104632282 175703266 209264564 261580705 351406532 439258165 523161410 878516330 1046322820 1757032660 4656136549 9312273098 18624546196 23280682745 46561365490 93122730980