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33055432540 = 22513391932441
BaseRepresentation
bin11110110010010000…
…011101111101011100
310011022200121221212021
4132302100131331130
51020144142320130
623104020345524
72250100353304
oct366220357534
9104280557767
1033055432540
1113022a25799
1264a62452a4
13316a3b7650
141858160604
15cd6ebc37a
hex7b241df5c

33055432540 has 48 divisors (see below), whose sum is σ = 74777512320. Its totient is φ = 12201592320.

The previous prime is 33055432523. The next prime is 33055432549. The reversal of 33055432540 is 4523455033.

It is a junction number, because it is equal to n+sod(n) for n = 33055432496 and 33055432505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33055432549) 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, 1002720 + ... + 1035160.

It is an arithmetic number, because the mean of its divisors is an integer number (1557864840).

Almost surely, 233055432540 is an apocalyptic number.

It is an amenable number.

33055432540 is an abundant number, since it is smaller than the sum of its proper divisors (41722079780).

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

33055432540 is a wasteful number, since it uses less digits than its factorization.

33055432540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36382 (or 36380 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 33055432540 its reverse (4523455033), we get a palindrome (37578887573).

The spelling of 33055432540 in words is "thirty-three billion, fifty-five million, four hundred thirty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 3919 7838 15676 19595 32441 39190 50947 64882 78380 101894 129764 162205 203788 254735 324410 421733 509470 648820 843466 1018940 1686932 2108665 4217330 8434660 127136279 254272558 508545116 635681395 1271362790 1652771627 2542725580 3305543254 6611086508 8263858135 16527716270 33055432540