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30321222220324 = 2272891738203521
BaseRepresentation
bin1101110010011101101011…
…01011011111101000100100
310222100200101002222021120101
412321032311223133220210
512433240330342022244
6144253213250113444
76246431103251200
oct671166553375044
9128320332867511
1030321222220324
11973018151a612
123498557b7b884
1313bc381c19b79
1476b7aac49b00
15378ad067d0d4
hex1b93b5adfa24

30321222220324 has 36 divisors (see below), whose sum is σ = 62418888475020. Its totient is φ = 12848800419840.

The previous prime is 30321222220319. The next prime is 30321222220379. The reversal of 30321222220324 is 42302222212303.

It can be written as a sum of positive squares in 2 ways, for example, as 5969069876224 + 24352152344100 = 2443168^2 + 4934790^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 30321222220292 and 30321222220301.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869084317 + ... + 869119204.

It is an arithmetic number, because the mean of its divisors is an integer number (1733858013195).

Almost surely, 230321222220324 is an apocalyptic number.

It is an amenable number.

30321222220324 is an abundant number, since it is smaller than the sum of its proper divisors (32097666254696).

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

30321222220324 is a wasteful number, since it uses less digits than its factorization.

30321222220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738203628 (or 1738203619 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30321222220324 its reverse (42302222212303), we get a palindrome (72623444432627).

The spelling of 30321222220324 in words is "thirty trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 89 98 178 196 356 623 1246 2492 4361 8722 17444 1738203521 3476407042 6952814084 12167424647 24334849294 48669698588 85171972529 154700113369 170343945058 309400226738 340687890116 618800453476 1082900793583 2165801587166 4331603174332 7580305555081 15160611110162 30321222220324