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20710388203136 = 27198515784623
BaseRepresentation
bin1001011010110000000110…
…10101001111111010000000
32201022220010120012022002222
410231120003111033322000
510203304333340000021
6112014115422430212
74235163504066632
oct455300325177200
981286116168088
1020710388203136
116665254249485
1223a598b132368
13b72c9a9ac028
14518561098a52
1525dad0e2e6ab
hex12d60354fe80

20710388203136 has 32 divisors (see below), whose sum is σ = 43430501582400. Its totient is φ = 9810183884544.

The previous prime is 20710388203103. The next prime is 20710388203187. The reversal of 20710388203136 is 63130288301702.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4257889880 + ... + 4257894743.

It is an arithmetic number, because the mean of its divisors is an integer number (1357203174450).

Almost surely, 220710388203136 is an apocalyptic number.

It is an amenable number.

20710388203136 is an abundant number, since it is smaller than the sum of its proper divisors (22720113379264).

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

20710388203136 is an equidigital number, since it uses as much as digits as its factorization.

20710388203136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515784656 (or 8515784644 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 20710388203136 in words is "twenty trillion, seven hundred ten billion, three hundred eighty-eight million, two hundred three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 8515784623 17031569246 34063138492 68126276984 136252553968 161799907837 272505107936 323599815674 545010215872 647199631348 1090020431744 1294399262696 2588798525392 5177597050784 10355194101568 20710388203136