Search a number
-
+
20287375006003 = 72656963027563
BaseRepresentation
bin1001001110011100001011…
…10001111101100100110011
32122211110021001020101110121
410213032011301331210303
510124342021000143003
6111051520313511111
74162500031202500
oct447160561754463
978743231211417
1020287375006003
1165119113334a6
1223379b4a12497
13b421256409a1
14501cb27704a7
15252ac3ebacbd
hex127385c7d933

20287375006003 has 12 divisors (see below), whose sum is σ = 23603192442360. Its totient is φ = 17386531143072.

The previous prime is 20287375005979. The next prime is 20287375006009. The reversal of 20287375006003 is 30060057378202.

It is not a de Polignac number, because 20287375006003 - 221 = 20287372908851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20287375006009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31191901 + ... + 31835662.

It is an arithmetic number, because the mean of its divisors is an integer number (1966932703530).

Almost surely, 220287375006003 is an apocalyptic number.

20287375006003 is a deficient number, since it is larger than the sum of its proper divisors (3315817436357).

20287375006003 is an equidigital number, since it uses as much as digits as its factorization.

20287375006003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63034146 (or 63034139 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 20287375006003 in words is "twenty trillion, two hundred eighty-seven billion, three hundred seventy-five million, six thousand, three".

Divisors: 1 7 49 6569 45983 321881 63027563 441192941 3088350587 414028061347 2898196429429 20287375006003