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20704089138888 = 23321139343103919
BaseRepresentation
bin1001011010100100010111…
…11000001110011011001000
32201022021212120101200102010
410231102023320032123020
510203203433304421023
6112011154403535520
74234551425660061
oct455221370163310
981267776350363
1020704089138888
116662611623261
1223a471168a5a0
13b7250598238c
1451812467b568
1525d862e20093
hex12d48be0e6c8

20704089138888 has 64 divisors (see below), whose sum is σ = 52007354265600. Its totient is φ = 6868414486080.

The previous prime is 20704089138869. The next prime is 20704089138907. The reversal of 20704089138888 is 88883198040702.

It is an interprime number because it is at equal distance from previous prime (20704089138869) and next prime (20704089138907).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199180993 + ... + 199284911.

It is an arithmetic number, because the mean of its divisors is an integer number (812614910400).

Almost surely, 220704089138888 is an apocalyptic number.

It is an amenable number.

20704089138888 is an abundant number, since it is smaller than the sum of its proper divisors (31303265126712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20704089138888 is a wasteful number, since it uses less digits than its factorization.

20704089138888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143482 (or 143478 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 66.

The spelling of 20704089138888 in words is "twenty trillion, seven hundred four billion, eighty-nine million, one hundred thirty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 211 422 633 844 1266 1688 2532 5064 39343 78686 103919 118029 157372 207838 236058 311757 314744 415676 472116 623514 831352 944232 1247028 2494056 8301373 16602746 21926909 24904119 33205492 43853818 49808238 65780727 66410984 87707636 99616476 131561454 175415272 199232952 263122908 526245816 4088485217 8176970434 12265455651 16353940868 24530911302 32707881736 49061822604 98123645208 862670380787 1725340761574 2588011142361 3450681523148 5176022284722 6901363046296 10352044569444 20704089138888