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30230133040 = 2451747472937
BaseRepresentation
bin11100001001110110…
…110011100100110000
32220000210022212120001
4130021312303210300
5443402403224130
621515412355344
72120062614442
oct341166634460
986023285501
1030230133040
1111903138428
125a38015b54
132b09c6cab3
14166ac32492
15bbde366ca
hex709db3930

30230133040 has 80 divisors (see below), whose sum is σ = 76003028352. Its totient is φ = 11138588672.

The previous prime is 30230133019. The next prime is 30230133041. The reversal of 30230133040 is 4033103203.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 30230132999 and 30230133017.

It is not an unprimeable number, because it can be changed into a prime (30230133041) 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 15 ways as a sum of consecutive naturals, for example, 172549 + ... + 300388.

Almost surely, 230230133040 is an apocalyptic number.

It is an amenable number.

30230133040 is an abundant number, since it is smaller than the sum of its proper divisors (45772895312).

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

30230133040 is a wasteful number, since it uses less digits than its factorization.

30230133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473014 (or 473008 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30230133040 its reverse (4033103203), we get a palindrome (34263236243).

The spelling of 30230133040 in words is "thirty billion, two hundred thirty million, one hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 47 68 80 85 94 136 170 188 235 272 340 376 470 680 752 799 940 1360 1598 1880 3196 3760 3995 6392 7990 12784 15980 31960 63920 472937 945874 1891748 2364685 3783496 4729370 7566992 8039929 9458740 16079858 18917480 22228039 32159716 37834960 40199645 44456078 64319432 80399290 88912156 111140195 128638864 160798580 177824312 222280390 321597160 355648624 377876663 444560780 643194320 755753326 889121560 1511506652 1778243120 1889383315 3023013304 3778766630 6046026608 7557533260 15115066520 30230133040