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20041132142 = 2172109331723
BaseRepresentation
bin10010101010100010…
…110110100001101110
31220201200220222221102
4102222202312201232
5312021012212032
613112355003102
71306431545453
oct225242664156
956650828842
1020041132142
118554773229
123a73899492
131b75079895
14d8195182a
157c4693362
hex4aa8b686e

20041132142 has 24 divisors (see below), whose sum is σ = 31964277576. Its totient is φ = 9422195328.

The previous prime is 20041132127. The next prime is 20041132171. The reversal of 20041132142 is 24123114002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615893 + ... + 647615.

It is an arithmetic number, because the mean of its divisors is an integer number (1331844899).

Almost surely, 220041132142 is an apocalyptic number.

20041132142 is a deficient number, since it is larger than the sum of its proper divisors (11923145434).

20041132142 is a wasteful number, since it uses less digits than its factorization.

20041132142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32852 (or 32835 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20041132142 its reverse (24123114002), we get a palindrome (44164246144).

The spelling of 20041132142 in words is "twenty billion, forty-one million, one hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 17 34 289 578 1093 2186 18581 31723 37162 63446 315877 539291 631754 1078582 9167947 18335894 34673239 69346478 589445063 1178890126 10020566071 20041132142