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20132233245 = 3251574336581
BaseRepresentation
bin10010101111111110…
…011000000000011101
31220222001100102011100
4102233332120000131
5312212322430440
613125411343313
71311616105365
oct225776300035
956861312140
1020132233245
1185a11368a3
123a9a2b1b39
131b8abc5a67
14d8daa79a5
157cc68b230
hex4aff9801d

20132233245 has 48 divisors (see below), whose sum is σ = 35204590512. Its totient is φ = 10642544640.

The previous prime is 20132233243. The next prime is 20132233361. The reversal of 20132233245 is 54233223102.

20132233245 is a `hidden beast` number, since 2 + 0 + 1 + 322 + 332 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5263357401 + 14868875844 = 72549^2 + 121938^2 .

It is not a de Polignac number, because 20132233245 - 21 = 20132233243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132233243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3055855 + ... + 3062435.

It is an arithmetic number, because the mean of its divisors is an integer number (733428969).

Almost surely, 220132233245 is an apocalyptic number.

It is an amenable number.

20132233245 is a deficient number, since it is larger than the sum of its proper divisors (15072357267).

20132233245 is a wasteful number, since it uses less digits than its factorization.

20132233245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7179 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20132233245 its reverse (54233223102), we get a palindrome (74365456347).

The spelling of 20132233245 in words is "twenty billion, one hundred thirty-two million, two hundred thirty-three thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 157 433 471 785 1299 1413 2165 2355 3897 6495 6581 7065 19485 19743 32905 59229 67981 98715 203943 296145 339905 611829 1019715 1033217 2849573 3059145 3099651 5166085 8548719 9298953 14247865 15498255 25646157 42743595 46494765 128230785 447382961 1342148883 2236914805 4026446649 6710744415 20132233245