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33030402412 = 2273150375653
BaseRepresentation
bin11110110000110000…
…111111000101101100
310011020221112021222111
4132300300333011230
51020121240334122
623101324053404
72246344534210
oct366060770554
9104227467874
1033030402412
111300a88a237
126499994264
133165162817
141854ac6940
15cd4bc5d77
hex7b0c3f16c

33030402412 has 48 divisors (see below), whose sum is σ = 68328271872. Its totient is φ = 13671829440.

The previous prime is 33030402359. The next prime is 33030402421. The reversal of 33030402412 is 21420403033.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398778 + ... + 474430.

It is an arithmetic number, because the mean of its divisors is an integer number (1423505664).

Almost surely, 233030402412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33030402412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34164135936).

33030402412 is an abundant number, since it is smaller than the sum of its proper divisors (35297869460).

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

33030402412 is a wasteful number, since it uses less digits than its factorization.

33030402412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76198 (or 76196 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 33030402412 its reverse (21420403033), we get a palindrome (54450805445).

The spelling of 33030402412 in words is "thirty-three billion, thirty million, four hundred two thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 503 868 1006 2012 3521 7042 14084 15593 31186 62372 75653 109151 151306 218302 302612 436604 529571 1059142 2118284 2345243 4690486 9380972 16416701 32833402 38053459 65666804 76106918 152213836 266374213 532748426 1065496852 1179657229 2359314458 4718628916 8257600603 16515201206 33030402412