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102320213320 = 23513973136481
BaseRepresentation
bin101111101001011000…
…0101000110101001000
3100210002212112101120101
41133102300220311020
53134022433311240
6115001045135144
710251406314553
oct1372260506510
9323085471511
10102320213320
113a437102776
12179b69ba4b4
139858411130
144d4927169a
1529dcca039a
hex17d2c28d48

102320213320 has 128 divisors (see below), whose sum is σ = 251324771040. Its totient is φ = 37265080320.

The previous prime is 102320213299. The next prime is 102320213371. The reversal of 102320213320 is 23312023201.

It can be written as a sum of positive squares in 16 ways, for example, as 85266756 + 102234946564 = 9234^2 + 319742^2 .

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15784480 + ... + 15790960.

Almost surely, 2102320213320 is an apocalyptic number.

102320213320 is a gapful number since it is divisible by the number (10) 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 102320213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125662385520).

102320213320 is an abundant number, since it is smaller than the sum of its proper divisors (149004557720).

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

102320213320 is a wasteful number, since it uses less digits than its factorization.

102320213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915 (or 6911 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102320213320 its reverse (23312023201), we get a palindrome (125632236521).

The spelling of 102320213320 in words is "one hundred two billion, three hundred twenty million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 97 104 130 194 260 313 388 485 520 626 776 970 1252 1261 1565 1940 2504 2522 3130 3880 4069 5044 6260 6305 6481 8138 10088 12520 12610 12962 16276 20345 25220 25924 30361 32405 32552 40690 50440 51848 60722 64810 81380 84253 121444 129620 151805 162760 168506 242888 259240 303610 337012 394693 421265 607220 628657 674024 789386 842530 1214440 1257314 1578772 1685060 1973465 2028553 2514628 3143285 3157544 3370120 3946930 4057106 5029256 6286570 7893860 8114212 8172541 10142765 12573140 15787720 16228424 16345082 20285530 25146280 26371189 32690164 40571060 40862705 52742378 65380328 81142120 81725410 105484756 131855945 163450820 196769641 210969512 263711890 326901640 393539282 527423780 787078564 983848205 1054847560 1574157128 1967696410 2558005333 3935392820 5116010666 7870785640 10232021332 12790026665 20464042664 25580053330 51160106660 102320213320