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102211221330 = 235553793627
BaseRepresentation
bin101111100110001000…
…0110111011101010010
3100202211021110000200000
41133030100313131102
53133312033040310
6114542153110430
710245614021631
oct1371420673522
9322737400600
10102211221330
113a39062a449
12179863b8416
13983b96c82a
144d389bd518
1529d34214c0
hex17cc437752

102211221330 has 96 divisors (see below), whose sum is σ = 280791935424. Its totient is φ = 26742021696.

The previous prime is 102211221323. The next prime is 102211221331. The reversal of 102211221330 is 33122112201.

102211221330 is a `hidden beast` number, since 102 + 2 + 11 + 221 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102211221331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268024 + ... + 525603.

It is an arithmetic number, because the mean of its divisors is an integer number (2924915994).

Almost surely, 2102211221330 is an apocalyptic number.

102211221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102211221330 is an abundant number, since it is smaller than the sum of its proper divisors (178580714094).

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

102211221330 is an equidigital number, since it uses as much as digits as its factorization.

102211221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793702 (or 793690 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102211221330 its reverse (33122112201), we get a palindrome (135333333531).

The spelling of 102211221330 in words is "one hundred two billion, two hundred eleven million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 53 54 81 90 106 135 159 162 243 265 270 318 405 477 486 530 795 810 954 1215 1431 1590 2385 2430 2862 4293 4770 7155 8586 12879 14310 21465 25758 42930 64395 128790 793627 1587254 2380881 3968135 4761762 7142643 7936270 11904405 14285286 21427929 23808810 35713215 42062231 42855858 64283787 71426430 84124462 107139645 126186693 128567574 192851361 210311155 214279290 252373386 321418935 378560079 385702722 420622310 630933465 642837870 757120158 964256805 1135680237 1261866930 1892800395 1928513610 2271360474 3407040711 3785600790 5678401185 6814081422 10221122133 11356802370 17035203555 20442244266 34070407110 51105610665 102211221330