Search a number
-
+
20027083125 = 35471525873
BaseRepresentation
bin10010101001101101…
…010000100101110101
31220200201111020022110
4102221231100211311
5312003413130000
613111133521233
71306201253310
oct225155204565
956621436273
1020027083125
118547847a75
123a6b043219
131b7219b05a
14d7db35977
157c331a850
hex4a9b50975

20027083125 has 40 divisors (see below), whose sum is σ = 38134643008. Its totient is φ = 9155232000.

The previous prime is 20027083091. The next prime is 20027083127. The reversal of 20027083125 is 52138072002.

It is not a de Polignac number, because 20027083125 - 211 = 20027081077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20027083092 and 20027083101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027083127) 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 39 ways as a sum of consecutive naturals, for example, 749812 + ... + 776061.

Almost surely, 220027083125 is an apocalyptic number.

20027083125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20027083125 is a deficient number, since it is larger than the sum of its proper divisors (18107559883).

20027083125 is an equidigital number, since it uses as much as digits as its factorization.

20027083125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525903 (or 1525888 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 20027083125 in words is "twenty billion, twenty-seven million, eighty-three thousand, one hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 125 175 375 525 625 875 1875 2625 4375 13125 1525873 4577619 7629365 10681111 22888095 32043333 38146825 53405555 114440475 160216665 190734125 267027775 572202375 801083325 953670625 1335138875 2861011875 4005416625 6675694375 20027083125