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20000015000003 = 71872782804369
BaseRepresentation
bin1001000110000100111011…
…10010100010000111000011
32121210222112102200120210102
410203002131302202013003
510110140012320000003
6110311514031353015
74132645005354443
oct443023562420703
977728472616712
1020000015000003
116410a60082835
1222b017868276b
13b20cbb43638c
144d2012244123
1524a3a634a588
hex12309dca21c3

20000015000003 has 4 divisors (see below), whose sum is σ = 20002797811560. Its totient is φ = 19997232188448.

The previous prime is 20000014999973. The next prime is 20000015000027. The reversal of 20000015000003 is 30000051000002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20000015000003 - 210 = 20000014998979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000015009003) 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 3 ways as a sum of consecutive naturals, for example, 1391394998 + ... + 1391409371.

It is an arithmetic number, because the mean of its divisors is an integer number (5000699452890).

Almost surely, 220000015000003 is an apocalyptic number.

20000015000003 is a deficient number, since it is larger than the sum of its proper divisors (2782811557).

20000015000003 is an equidigital number, since it uses as much as digits as its factorization.

20000015000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782811556.

The product of its (nonzero) digits is 30, while the sum is 11.

Adding to 20000015000003 its reverse (30000051000002), we get a palindrome (50000066000005).

The spelling of 20000015000003 in words is "twenty trillion, fifteen million, three", and thus it is an aban number and an uban number.

Divisors: 1 7187 2782804369 20000015000003