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20738300125 = 53859193139
BaseRepresentation
bin10011010100000110…
…010101100011011101
31222112021202210121211
4103110012111203131
5314433001101000
613305501424421
71332625433254
oct232406254335
958467683554
1020738300125
118882258914
12402926b111
131c56636c0a
14100a38d79b
158159a67ba
hex4d41958dd

20738300125 has 16 divisors (see below), whose sum is σ = 25911662400. Its totient is φ = 16571240400.

The previous prime is 20738300117. The next prime is 20738300137. The reversal of 20738300125 is 52100383702.

It is not a de Polignac number, because 20738300125 - 23 = 20738300117 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10806 + ... + 203944.

It is an arithmetic number, because the mean of its divisors is an integer number (1619478900).

Almost surely, 220738300125 is an apocalyptic number.

20738300125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20738300125 is a deficient number, since it is larger than the sum of its proper divisors (5173362275).

20738300125 is an equidigital number, since it uses as much as digits as its factorization.

20738300125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194013 (or 194003 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 20738300125 its reverse (52100383702), we get a palindrome (72838683827).

The spelling of 20738300125 in words is "twenty billion, seven hundred thirty-eight million, three hundred thousand, one hundred twenty-five".

Divisors: 1 5 25 125 859 4295 21475 107375 193139 965695 4828475 24142375 165906401 829532005 4147660025 20738300125