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20752695525373 = 72875874835471
BaseRepresentation
bin1001011011111110111010…
…00010110111111111111101
32201110221100000212221200121
410231333131002313333331
510210003010023302443
6112045353503254541
74241222066306500
oct455773502677775
981427300787617
1020752695525373
1166811946698a9
1223b20178aa451
13b76c80a9b506
1451a615c7d137
1525ec5a2824ed
hex12dfdd0b7ffd

20752695525373 has 12 divisors (see below), whose sum is σ = 24141171327552. Its totient is φ = 17787817967640.

The previous prime is 20752695525349. The next prime is 20752695525407. The reversal of 20752695525373 is 37352559625702.

It is a de Polignac number, because none of the positive numbers 2k-20752695525373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20752695525073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1874028 + ... + 6709498.

It is an arithmetic number, because the mean of its divisors is an integer number (2011764277296).

Almost surely, 220752695525373 is an apocalyptic number.

It is an amenable number.

20752695525373 is a deficient number, since it is larger than the sum of its proper divisors (3388475802179).

20752695525373 is an equidigital number, since it uses as much as digits as its factorization.

20752695525373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923072 (or 4923065 counting only the distinct ones).

The product of its (nonzero) digits is 119070000, while the sum is 61.

The spelling of 20752695525373 in words is "twenty trillion, seven hundred fifty-two billion, six hundred ninety-five million, five hundred twenty-five thousand, three hundred seventy-three".

Divisors: 1 7 49 87587 613109 4291763 4835471 33848297 236938079 423524398477 2964670789339 20752695525373