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12013102003 = 73172121189
BaseRepresentation
bin10110011000000100…
…10110001110110011
31011000012202210220211
423030002112032303
5144100323231003
65304014244551
7603460453000
oct131402261663
934005683824
1012013102003
1151050a0381
1223b31b6757
131195aa12a6
1481d66c8a7
154a49ac96d
hex2cc0963b3

12013102003 has 24 divisors (see below), whose sum is σ = 14882132000. Its totient is φ = 9691161984.

The previous prime is 12013102001. The next prime is 12013102103. The reversal of 12013102003 is 30020131021.

It is not a de Polignac number, because 12013102003 - 21 = 12013102001 is a prime.

It is a super-2 number, since 2×120131020032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013102001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38533 + ... + 159721.

Almost surely, 212013102003 is an apocalyptic number.

12013102003 is a deficient number, since it is larger than the sum of its proper divisors (2869029997).

12013102003 is an equidigital number, since it uses as much as digits as its factorization.

12013102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121244 (or 121213 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12013102003 its reverse (30020131021), we get a palindrome (42033233024).

The spelling of 12013102003 in words is "twelve billion, thirteen million, one hundred two thousand, three".

Divisors: 1 7 17 49 119 289 343 833 2023 5831 14161 99127 121189 848323 2060213 5938261 14421491 35023621 41567827 100950437 245165347 706653059 1716157429 12013102003