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13231232003 = 1115118014423
BaseRepresentation
bin11000101001010010…
…01001010000000011
31021011002220020010202
430110221021100003
5204044143411003
610024531115415
7645611421263
oct142451112003
937132806122
1013231232003
11567a75a490
122693142b6b
13132b272982
148d735b7a3
155268ca088
hex314a49403

13231232003 has 16 divisors (see below), whose sum is σ = 14541015552. Its totient is φ = 11939400000.

The previous prime is 13231231943. The next prime is 13231232009. The reversal of 13231232003 is 30023213231.

It is not a de Polignac number, because 13231232003 - 214 = 13231215619 is a prime.

It is a super-2 number, since 2×132312320032 (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 (13231232009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2989250 + ... + 2993672.

It is an arithmetic number, because the mean of its divisors is an integer number (908813472).

Almost surely, 213231232003 is an apocalyptic number.

13231232003 is a deficient number, since it is larger than the sum of its proper divisors (1309783549).

13231232003 is a wasteful number, since it uses less digits than its factorization.

13231232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13231232003 its reverse (30023213231), we get a palindrome (43254445234).

The spelling of 13231232003 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-two thousand, three".

Divisors: 1 11 151 1661 1801 4423 19811 48653 271951 667873 2991461 7346603 7965823 87624053 1202839273 13231232003