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20352305245025 = 5213114643546239
BaseRepresentation
bin1001010000010101000111…
…11011001010101101100001
32200001122212010221021201002
410220022203323022231201
510131423010120320100
6111141415302121345
74200256045135055
oct450124373125541
980048763837632
1020352305245025
116537400800066
1223484b5a20255
13b482a2642970
145050b1d25c65
152546244952d5
hex1282a3ecab61

20352305245025 has 24 divisors (see below), whose sum is σ = 27178442135040. Its totient is φ = 15029236031040.

The previous prime is 20352305245001. The next prime is 20352305245087. The reversal of 20352305245025 is 52054250325302.

It is not a de Polignac number, because 20352305245025 - 26 = 20352305244961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20352305245025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36985856 + ... + 37532094.

It is an arithmetic number, because the mean of its divisors is an integer number (1132435088960).

Almost surely, 220352305245025 is an apocalyptic number.

20352305245025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20352305245025 is a deficient number, since it is larger than the sum of its proper divisors (6826136890015).

20352305245025 is a wasteful number, since it uses less digits than its factorization.

20352305245025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660905 (or 660900 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 20352305245025 in words is "twenty trillion, three hundred fifty-two billion, three hundred five million, two hundred forty-five thousand, twenty-five".

Divisors: 1 5 13 25 65 325 114643 546239 573215 1490359 2731195 2866075 7101107 7451795 13655975 35505535 37258975 177527675 62622477677 313112388385 814092209801 1565561941925 4070461049005 20352305245025