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30322120000 = 2654758053
BaseRepresentation
bin11100001111010101…
…101101010101000000
32220021012102021221111
4130033111231111000
5444044430320000
621532500133104
72122260524134
oct341725552500
986235367844
1030322120000
1111950056607
125a62997194
132b23039253
1416791393c4
15bc7056cba
hex70f56d540

30322120000 has 70 divisors (see below), whose sum is σ = 75189102098. Its totient is φ = 12128832000.

The previous prime is 30322119979. The next prime is 30322120033. The reversal of 30322120000 is 2122303.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 10228490496 + 20093629504 = 101136^2 + 141752^2 .

It is a super-2 number, since 2×303221200002 (a number of 22 digits) contains 22 as substring.

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 9 ways as a sum of consecutive naturals, for example, 339027 + ... + 419026.

Almost surely, 230322120000 is an apocalyptic number.

It is an amenable number.

30322120000 is an abundant number, since it is smaller than the sum of its proper divisors (44866982098).

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

30322120000 is an frugal number, since it uses more digits than its factorization.

30322120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758085 (or 758060 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30322120000 its reverse (2122303), we get a palindrome (30324242303).

The spelling of 30322120000 in words is "thirty billion, three hundred twenty-two million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 8000 10000 20000 40000 758053 1516106 3032212 3790265 6064424 7580530 12128848 15161060 18951325 24257696 30322120 37902650 48515392 60644240 75805300 94756625 121288480 151610600 189513250 242576960 303221200 379026500 473783125 606442400 758053000 947566250 1212884800 1516106000 1895132500 3032212000 3790265000 6064424000 7580530000 15161060000 30322120000