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20005111467025 = 5210310971275003
BaseRepresentation
bin1001000110001110011011…
…00100000000110000010001
32121211110200121120221020021
410203013031210000300101
510110230432013421100
6110314115450343441
74133215211541046
oct443071544006021
977743617527207
1020005111467025
116413135988953
1222b115b42ab81
13b2162126c639
144d23770571cd
1524a5a39a9a1a
hex1231cd900c11

20005111467025 has 24 divisors (see below), whose sum is σ = 25276967418560. Its totient is φ = 15703308440640.

The previous prime is 20005111467023. The next prime is 20005111467031. The reversal of 20005111467025 is 52076411150002.

It is not a de Polignac number, because 20005111467025 - 21 = 20005111467023 is a prime.

It is a super-3 number, since 3×200051114670253 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20005111467023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35356827 + ... + 35918176.

Almost surely, 220005111467025 is an apocalyptic number.

20005111467025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20005111467025 is a deficient number, since it is larger than the sum of its proper divisors (5271855951535).

20005111467025 is a wasteful number, since it uses less digits than its factorization.

20005111467025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71275225 (or 71275220 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 20005111467025 in words is "twenty trillion, five billion, one hundred eleven million, four hundred sixty-seven thousand, twenty-five".

Divisors: 1 5 25 103 109 515 545 2575 2725 11227 56135 280675 71275003 356375015 1781875075 7341325309 7768975327 36706626545 38844876635 183533132725 194224383175 800204458681 4001022293405 20005111467025