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20104525325 = 5231193257523
BaseRepresentation
bin10010101110010100…
…101011011000001101
31220220010012201001002
4102232110223120031
5312133224302300
613122541430045
71311131434313
oct225624533015
956803181032
1020104525325
118587531495
123a90b6b325
131b85244141
14d8a1340b3
157ca0165d5
hex4ae52b60d

20104525325 has 48 divisors (see below), whose sum is σ = 26017430016. Its totient is φ = 15394406400.

The previous prime is 20104525321. The next prime is 20104525333. The reversal of 20104525325 is 52352540102.

It is not a de Polignac number, because 20104525325 - 22 = 20104525321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104525321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38440514 + ... + 38441036.

It is an arithmetic number, because the mean of its divisors is an integer number (542029792).

Almost surely, 220104525325 is an apocalyptic number.

20104525325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20104525325 is a deficient number, since it is larger than the sum of its proper divisors (5912904691).

20104525325 is a wasteful number, since it uses less digits than its factorization.

20104525325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 20104525325 in words is "twenty billion, one hundred four million, five hundred twenty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 31 155 193 257 523 775 965 1285 2615 4825 5983 6425 7967 13075 16213 29915 39835 49601 81065 100939 134411 149575 199175 248005 405325 504695 672055 1240025 1537631 2523475 3129109 3360275 4166741 7688155 15645545 20833705 25941323 38440775 78227725 104168525 129706615 648533075 804181013 4020905065 20104525325