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33021323132 = 2273161336203
BaseRepresentation
bin11110110000001110…
…010110011101111100
310011020022110000112212
4132300032112131330
51020111424320012
623100401315552
72246204421050
oct366016263574
9104208400485
1033021323132
11130057488a6
126496935bb8
133163304075
141853801c60
15cd3ed0b22
hex7b039677c

33021323132 has 48 divisors (see below), whose sum is σ = 68195162112. Its totient is φ = 13691039040.

The previous prime is 33021323131. The next prime is 33021323191. The reversal of 33021323132 is 23132312033.

It is a junction number, because it is equal to n+sod(n) for n = 33021323098 and 33021323107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021323131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5320343 + ... + 5326545.

It is an arithmetic number, because the mean of its divisors is an integer number (1420732544).

Almost surely, 233021323132 is an apocalyptic number.

It is an amenable number.

33021323132 is an abundant number, since it is smaller than the sum of its proper divisors (35173838980).

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

33021323132 is a wasteful number, since it uses less digits than its factorization.

33021323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12378 (or 12376 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33021323132 its reverse (23132312033), we get a palindrome (56153635165).

The spelling of 33021323132 in words is "thirty-three billion, twenty-one million, three hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 6133 6203 12266 12406 24532 24812 42931 43421 85862 86842 171724 173684 190123 192293 380246 384586 760492 769172 1330861 1346051 2661722 2692102 5323444 5384204 38042999 76085998 152171996 266300993 532601986 1065203972 1179332969 2358665938 4717331876 8255330783 16510661566 33021323132