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30033400212 = 22333497511061
BaseRepresentation
bin11011111110001000…
…010101000110010100
32212112002010210212000
4123332020111012110
5443002022301322
621444103555300
72112153455364
oct337610250624
985462123760
1030033400212
1111812087112
1259a215bb30
132aa828a93a
14164ca609a4
15baba253ac
hex6fe215194

30033400212 has 96 divisors (see below), whose sum is σ = 78265152000. Its totient is φ = 9959760000.

The previous prime is 30033400171. The next prime is 30033400213. The reversal of 30033400212 is 21200433003.

30033400212 is a `hidden beast` number, since 300 + 3 + 340 + 0 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033400213) 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 31 ways as a sum of consecutive naturals, for example, 28306162 + ... + 28307222.

It is an arithmetic number, because the mean of its divisors is an integer number (815262000).

Almost surely, 230033400212 is an apocalyptic number.

It is an amenable number.

30033400212 is an abundant number, since it is smaller than the sum of its proper divisors (48231751788).

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

30033400212 is a wasteful number, since it uses less digits than its factorization.

30033400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30033400212 its reverse (21200433003), we get a palindrome (51233833215).

The spelling of 30033400212 in words is "thirty billion, thirty-three million, four hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 349 698 751 1047 1061 1396 1502 2094 2122 2253 3004 3141 3183 4188 4244 4506 6282 6366 6759 9012 9423 9549 12564 12732 13518 18846 19098 20277 27036 28647 37692 38196 40554 57294 81108 114588 262099 370289 524198 740578 786297 796811 1048396 1110867 1481156 1572594 1593622 2221734 2358891 2390433 3145188 3187244 3332601 4443468 4717782 4780866 6665202 7076673 7171299 9435564 9561732 9997803 13330404 14153346 14342598 19995606 21513897 28306692 28685196 39991212 43027794 86055588 278087039 556174078 834261117 1112348156 1668522234 2502783351 3337044468 5005566702 7508350053 10011133404 15016700106 30033400212