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20133211304 = 237931856347
BaseRepresentation
bin10010110000000010…
…000110110010101000
31220222010012002210202
4102300002012302220
5312213100230204
613125444331332
71311630321023
oct226002066250
956863162722
1020133211304
1185a1744708
123a9a6a3b48
131b8b178cab
14d8dc801ba
157cc7d0e1e
hex4b0086ca8

20133211304 has 16 divisors (see below), whose sum is σ = 38227617600. Its totient is φ = 9939179952.

The previous prime is 20133211261. The next prime is 20133211309. The reversal of 20133211304 is 40311233102.

It is not an unprimeable number, because it can be changed into a prime (20133211309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15927542 + ... + 15928805.

It is an arithmetic number, because the mean of its divisors is an integer number (2389226100).

Almost surely, 220133211304 is an apocalyptic number.

It is an amenable number.

20133211304 is a deficient number, since it is larger than the sum of its proper divisors (18094406296).

20133211304 is a wasteful number, since it uses less digits than its factorization.

20133211304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31856432 (or 31856428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20133211304 its reverse (40311233102), we get a palindrome (60444444406).

The spelling of 20133211304 in words is "twenty billion, one hundred thirty-three million, two hundred eleven thousand, three hundred four".

Divisors: 1 2 4 8 79 158 316 632 31856347 63712694 127425388 254850776 2516651413 5033302826 10066605652 20133211304