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30221321010 = 2354721433561
BaseRepresentation
bin11100001001010101…
…001100001100110010
32220000011202011201120
4130021111030030302
5443343124233020
621514455443110
72116624663416
oct341125141462
986004664646
1030221321010
11118a9169861
125a35086496
132b081a5b8a
1416699bad46
15bbd295740
hex70954c332

30221321010 has 32 divisors (see below), whose sum is σ = 74074390272. Its totient is φ = 7887550080.

The previous prime is 30221321003. The next prime is 30221321029. The reversal of 30221321010 is 1012312203.

It is a super-3 number, since 3×302213210103 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10715371 + ... + 10718190.

It is an arithmetic number, because the mean of its divisors is an integer number (2314824696).

Almost surely, 230221321010 is an apocalyptic number.

30221321010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30221321010 is an abundant number, since it is smaller than the sum of its proper divisors (43853069262).

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

30221321010 is a wasteful number, since it uses less digits than its factorization.

30221321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433618.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30221321010 its reverse (1012312203), we get a palindrome (31233633213).

The spelling of 30221321010 in words is "thirty billion, two hundred twenty-one million, three hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 21433561 42867122 64300683 107167805 128601366 214335610 321503415 643006830 1007377367 2014754734 3022132101 5036886835 6044264202 10073773670 15110660505 30221321010