Search a number
-
+
33020013132 = 22321948274873
BaseRepresentation
bin11110110000001001…
…010110101001001100
310011020012222110120100
4132300021112221030
51020111110410012
623100313251100
72246160323601
oct366011265114
9104205873510
1033020013132
1113004a33657
126496403a90
133162c65a12
1418535806a8
15cd3d228dc
hex7b0256a4c

33020013132 has 36 divisors (see below), whose sum is σ = 87860270680. Its totient is φ = 10427372352.

The previous prime is 33020013127. The next prime is 33020013161. The reversal of 33020013132 is 23131002033.

33020013132 is a `hidden beast` number, since 330 + 20 + 0 + 1 + 313 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24136753 + ... + 24138120.

Almost surely, 233020013132 is an apocalyptic number.

It is an amenable number.

33020013132 is an abundant number, since it is smaller than the sum of its proper divisors (54840257548).

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

33020013132 is a wasteful number, since it uses less digits than its factorization.

33020013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48274902 (or 48274897 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33020013132 its reverse (23131002033), we get a palindrome (56151015165).

The spelling of 33020013132 in words is "thirty-three billion, twenty million, thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 48274873 96549746 144824619 193099492 289649238 434473857 579298476 868947714 917222587 1737895428 1834445174 2751667761 3668890348 5503335522 8255003283 11006671044 16510006566 33020013132