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30232203320 = 23511216338321
BaseRepresentation
bin11100001001111110…
…101101000000111000
32220000221020001110002
4130021332231000320
5443403421001240
621515525012132
72120116326314
oct341176550070
986027201402
1030232203320
1111904321900
125a38854048
132b0a516207
14166b210b44
15bbe1e4d15
hex709fad038

30232203320 has 96 divisors (see below), whose sum is σ = 75229151760. Its totient is φ = 10925798400.

The previous prime is 30232203319. The next prime is 30232203341. The reversal of 30232203320 is 2330223203.

It is a super-2 number, since 2×302322033202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30232203292 and 30232203301.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 769760 + ... + 808080.

Almost surely, 230232203320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30232203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37614575880).

30232203320 is an abundant number, since it is smaller than the sum of its proper divisors (44996948440).

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

30232203320 is a wasteful number, since it uses less digits than its factorization.

30232203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38517 (or 38502 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30232203320 its reverse (2330223203), we get a palindrome (32562426523).

The spelling of 30232203320 in words is "thirty billion, two hundred thirty-two million, two hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 163 220 242 326 440 484 605 652 815 968 1210 1304 1630 1793 2420 3260 3586 4840 6520 7172 8965 14344 17930 19723 35860 38321 39446 71720 76642 78892 98615 153284 157784 191605 197230 306568 383210 394460 421531 766420 788920 843062 1532840 1686124 2107655 3372248 4215310 4636841 6246323 8430620 9273682 12492646 16861240 18547364 23184205 24985292 31231615 37094728 46368410 49970584 62463230 68709553 92736820 124926460 137419106 185473640 249852920 274838212 343547765 549676424 687095530 755805083 1374191060 1511610166 2748382120 3023220332 3779025415 6046440664 7558050830 15116101660 30232203320