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33020420112 = 24321912068867
BaseRepresentation
bin11110110000001010…
…111010000000010000
310011020020202010211200
4132300022322000100
51020111211420422
623100330111200
72246163640251
oct366012720020
9104206663750
1033020420112
11130051913a9
12649657b500
133163079034
141853648b28
15cd3da32ac
hex7b02ba010

33020420112 has 60 divisors (see below), whose sum is σ = 97275076080. Its totient is φ = 10427500224.

The previous prime is 33020420107. The next prime is 33020420137. The reversal of 33020420112 is 21102402033.

33020420112 is a `hidden beast` number, since 330 + 204 + 20 + 112 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6031698 + ... + 6037169.

It is an arithmetic number, because the mean of its divisors is an integer number (1621251268).

Almost surely, 233020420112 is an apocalyptic number.

It is an amenable number.

33020420112 is an abundant number, since it is smaller than the sum of its proper divisors (64254655968).

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

33020420112 is a wasteful number, since it uses less digits than its factorization.

33020420112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12068900 (or 12068891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 33020420112 its reverse (21102402033), we get a palindrome (54122822145).

The spelling of 33020420112 in words is "thirty-three billion, twenty million, four hundred twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 12068867 24137734 36206601 48275468 72413202 96550936 108619803 144826404 193101872 217239606 229308473 289652808 434479212 458616946 579305616 687925419 868958424 917233892 1375850838 1737916848 1834467784 2063776257 2751701676 3668935568 4127552514 5503403352 8255105028 11006806704 16510210056 33020420112