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20346311302025 = 5210731743575507
BaseRepresentation
bin1001010000001001111101…
…01010000101101110001001
32200001002101102021102200012
410220010332222011232021
510131323221143131100
6111134544423121305
74166654363354432
oct450047652055611
980032342242605
1020346311302025
116534905336a65
1223473025a3235
13b478588b7b27
14504aa3c52489
152543c3157135
hex12813ea85b89

20346311302025 has 48 divisors (see below), whose sum is σ = 25556049861696. Its totient is φ = 16067452389120.

The previous prime is 20346311301941. The next prime is 20346311302091. The reversal of 20346311302025 is 52020311364302.

It is not a de Polignac number, because 20346311302025 - 212 = 20346311297929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20346311301982 and 20346311302000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3694624322 + ... + 3694629828.

It is an arithmetic number, because the mean of its divisors is an integer number (532417705452).

Almost surely, 220346311302025 is an apocalyptic number.

20346311302025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20346311302025 is a deficient number, since it is larger than the sum of its proper divisors (5209738559671).

20346311302025 is a wasteful number, since it uses less digits than its factorization.

20346311302025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298 (or 10293 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20346311302025 its reverse (52020311364302), we get a palindrome (72366622666327).

The spelling of 20346311302025 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, three hundred two thousand, twenty-five".

Divisors: 1 5 25 107 317 535 1585 2675 4357 5507 7925 21785 27535 33919 108925 137675 169595 466199 589249 847975 1381169 1745719 2330995 2946245 6905845 8728595 11654975 14731225 23993999 34529225 43642975 119969995 147785083 186791933 599849975 738925415 933959665 2567357893 3694627075 4669798325 7606097683 12836789465 38030488415 64183947325 190152442075 813852452081 4069262260405 20346311302025