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20003103033 = 313191155871
BaseRepresentation
bin10010101000010001…
…110010000100111001
31220122001100220210220
4102220101302010321
5311431243244113
613104515530253
71305460366434
oct225021620471
956561326726
1020003103033
118535259411
123a62bb9989
131b6a223154
14d7a89281b
157c1180523
hex4a8472139

20003103033 has 16 divisors (see below), whose sum is σ = 26904379392. Its totient is φ = 13218842000.

The previous prime is 20003103007. The next prime is 20003103047. The reversal of 20003103033 is 33030130002.

It is a cyclic number.

It is not a de Polignac number, because 20003103033 - 26 = 20003102969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003153033) 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, 330088 + ... + 385958.

It is an arithmetic number, because the mean of its divisors is an integer number (1681523712).

Almost surely, 220003103033 is an apocalyptic number.

It is an amenable number.

20003103033 is a deficient number, since it is larger than the sum of its proper divisors (6901276359).

20003103033 is a wasteful number, since it uses less digits than its factorization.

20003103033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56916.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20003103033 its reverse (33030130002), we get a palindrome (53033233035).

The spelling of 20003103033 in words is "twenty billion, three million, one hundred three thousand, thirty-three".

Divisors: 1 3 131 393 911 2733 55871 119341 167613 358023 7319101 21957303 50898481 152695443 6667701011 20003103033