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20302003231003 = 1331347952119993
BaseRepresentation
bin1001001110110111011011…
…01100001101100100011011
32122212212000111211012201201
410213123231230031210123
510130112000311343003
6111102340031255031
74163525365104004
oct447335554154433
978785014735651
1020302003231003
11651803860844a
12233a7b797a477
13b4361714b520
1450289d45a1ab
1525317d344b1d
hex1276edb0d91b

20302003231003 has 32 divisors (see below), whose sum is σ = 22022626429440. Its totient is φ = 18604727930880.

The previous prime is 20302003230923. The next prime is 20302003231007. The reversal of 20302003231003 is 30013230020302.

It is a happy number.

It is not a de Polignac number, because 20302003231003 - 237 = 20164564277531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20302003231007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015445575 + ... + 1015465567.

It is an arithmetic number, because the mean of its divisors is an integer number (688207075920).

Almost surely, 220302003231003 is an apocalyptic number.

20302003231003 is a deficient number, since it is larger than the sum of its proper divisors (1720623198437).

20302003231003 is a wasteful number, since it uses less digits than its factorization.

20302003231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20302003231003 its reverse (30013230020302), we get a palindrome (50315233251305).

The spelling of 20302003231003 in words is "twenty trillion, three hundred two billion, three million, two hundred thirty-one thousand, three".

Divisors: 1 13 313 479 521 4069 6227 6773 19993 149927 163073 249559 259909 1949051 2119949 3244267 6257809 9576647 10416353 78111967 81351517 124496411 135412589 1015455571 2997490511 3260318489 4989433087 38967376643 42384140357 64862630131 1561692556231 20302003231003