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13231023004 = 225697617639
BaseRepresentation
bin11000101001010000…
…10110001110011100
31021011002111121110001
430110220112032130
5204044120214004
610024522424044
7645606561043
oct142450261634
937132447401
1013231023004
11567a627461
122693062024
13132b1cb7c4
148d730555a
155268881a4
hex314a1639c

13231023004 has 24 divisors (see below), whose sum is σ = 23228503200. Its totient is φ = 6594343680.

The previous prime is 13231022977. The next prime is 13231023049. The reversal of 13231023004 is 40032013231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728217 + ... + 1735855.

It is an arithmetic number, because the mean of its divisors is an integer number (967854300).

Almost surely, 213231023004 is an apocalyptic number.

It is an amenable number.

13231023004 is a deficient number, since it is larger than the sum of its proper divisors (9997480196).

13231023004 is a wasteful number, since it uses less digits than its factorization.

13231023004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973 (or 8971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13231023004 its reverse (40032013231), we get a palindrome (53263036235).

The spelling of 13231023004 in words is "thirteen billion, two hundred thirty-one million, twenty-three thousand, four".

Divisors: 1 2 4 569 761 1138 1522 2276 3044 7639 15278 30556 433009 866018 1732036 4346591 5813279 8693182 11626558 17386364 23253116 3307755751 6615511502 13231023004