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20112011132 = 22103312115641
BaseRepresentation
bin10010101110110001…
…001110111101111100
31220220122022000122012
4102232301032331330
5312142133324012
613123410110352
71311252162653
oct225661167574
956818260565
1020112011132
118590784704
123a9357b3b8
131b86965505
14d8b12219a
157ca9e4622
hex4aec4ef7c

20112011132 has 24 divisors (see below), whose sum is σ = 35551387872. Its totient is φ = 9954547200.

The previous prime is 20112011107. The next prime is 20112011149. The reversal of 20112011132 is 23111021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278032 + ... + 1293672.

It is an arithmetic number, because the mean of its divisors is an integer number (1481307828).

Almost surely, 220112011132 is an apocalyptic number.

It is an amenable number.

20112011132 is a deficient number, since it is larger than the sum of its proper divisors (15439376740).

20112011132 is a wasteful number, since it uses less digits than its factorization.

20112011132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18869 (or 18867 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20112011132 its reverse (23111021102), we get a palindrome (43223032234).

The spelling of 20112011132 in words is "twenty billion, one hundred twelve million, eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 103 206 412 3121 6242 12484 15641 31282 62564 321463 642926 1285852 1611023 3222046 6444092 48815561 97631122 195262244 5028002783 10056005566 20112011132