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20087519325 = 3522295772027
BaseRepresentation
bin10010101101010011…
…110011100001011101
31220211221012201012020
4102231103303201131
5312114401104300
613121133130353
71310534045166
oct225523634135
956757181166
1020087519325
118578976645
123a873299b9
131b8186b713
14d87b8876d
157c87a78a0
hex4ad4f385d

20087519325 has 48 divisors (see below), whose sum is σ = 33430687680. Its totient is φ = 10642821120.

The previous prime is 20087519267. The next prime is 20087519327. The reversal of 20087519325 is 52391578002.

It is a happy number.

It is not a de Polignac number, because 20087519325 - 27 = 20087519197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20087519327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9908962 + ... + 9910988.

It is an arithmetic number, because the mean of its divisors is an integer number (696472660).

Almost surely, 220087519325 is an apocalyptic number.

20087519325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20087519325 is a deficient number, since it is larger than the sum of its proper divisors (13343168355).

20087519325 is a wasteful number, since it uses less digits than its factorization.

20087519325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 20087519325 in words is "twenty billion, eighty-seven million, five hundred nineteen thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 229 577 687 1145 1731 2027 2885 3435 5725 6081 8655 10135 14425 17175 30405 43275 50675 132133 152025 396399 464183 660665 1169579 1392549 1981995 2320915 3303325 3508737 5847895 6962745 9909975 11604575 17543685 29239475 34813725 87718425 267833591 803500773 1339167955 4017503865 6695839775 20087519325