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20041451212 = 22231471148091
BaseRepresentation
bin10010101010100100…
…000100011011001100
31220201201112012121211
4102222210010123030
5312021102414322
613112405504204
71306434344626
oct225244043314
956651465554
1020041451212
118554970a22
123a73a12064
131b7515bb93
14d819d5c16
157c4707b77
hex4aa9046cc

20041451212 has 24 divisors (see below), whose sum is σ = 36622559232. Its totient is φ = 9578461200.

The previous prime is 20041451207. The next prime is 20041451263. The reversal of 20041451212 is 21215414002.

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, 61287 + ... + 209377.

It is an arithmetic number, because the mean of its divisors is an integer number (1525939968).

Almost surely, 220041451212 is an apocalyptic number.

It is an amenable number.

20041451212 is a deficient number, since it is larger than the sum of its proper divisors (16581108020).

20041451212 is a wasteful number, since it uses less digits than its factorization.

20041451212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149589 (or 149587 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20041451212 its reverse (21215414002), we get a palindrome (41256865214).

The spelling of 20041451212 in words is "twenty billion, forty-one million, four hundred fifty-one thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 1471 2942 5884 33833 67666 135332 148091 296182 592364 3406093 6812186 13624372 217841861 435683722 871367444 5010362803 10020725606 20041451212