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20133331124 = 227170892011
BaseRepresentation
bin10010110000000010…
…100100000010110100
31220222010102012011112
4102300002210002310
5312213113043444
613125451054152
71311631330244
oct226002440264
956863365145
1020133331124
1185a1816735
123a9a741358
131b8b1bb6aa
14d8dcb1b24
157cc80669e
hex4b00a40b4

20133331124 has 12 divisors (see below), whose sum is σ = 35729574048. Its totient is φ = 9924881400.

The previous prime is 20133331117. The next prime is 20133331139. The reversal of 20133331124 is 42113333102.

It is a self number, because there is not a number n which added to its sum of digits gives 20133331124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35445722 + ... + 35446289.

It is an arithmetic number, because the mean of its divisors is an integer number (2977464504).

Almost surely, 220133331124 is an apocalyptic number.

It is an amenable number.

20133331124 is a deficient number, since it is larger than the sum of its proper divisors (15596242924).

20133331124 is a wasteful number, since it uses less digits than its factorization.

20133331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70892086 (or 70892084 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20133331124 its reverse (42113333102), we get a palindrome (62246664226).

The spelling of 20133331124 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 71 142 284 70892011 141784022 283568044 5033332781 10066665562 20133331124