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12732302031 = 3171511653331
BaseRepresentation
bin10111101101110011…
…11000001011001111
31012212100001221212220
423312321320023033
5202033432131111
65503225230423
7630342532041
oct136671701317
935770057786
1012732302031
115444063a69
122574032413
13127baa3937
1488ada3a91
154e7bc3e06
hex2f6e782cf

12732302031 has 16 divisors (see below), whose sum is σ = 18094065408. Its totient is φ = 7935984000.

The previous prime is 12732302017. The next prime is 12732302057. The reversal of 12732302031 is 13020323721.

It is not a de Polignac number, because 12732302031 - 27 = 12732301903 is a prime.

It is a super-2 number, since 2×127323020312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12732301992 and 12732302010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12732301031) 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, 818965 + ... + 834366.

It is an arithmetic number, because the mean of its divisors is an integer number (1130879088).

Almost surely, 212732302031 is an apocalyptic number.

12732302031 is a deficient number, since it is larger than the sum of its proper divisors (5361763377).

12732302031 is a wasteful number, since it uses less digits than its factorization.

12732302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653502.

The product of its (nonzero) digits is 1512, while the sum is 24.

Adding to 12732302031 its reverse (13020323721), we get a palindrome (25752625752).

The spelling of 12732302031 in words is "twelve billion, seven hundred thirty-two million, three hundred two thousand, thirty-one".

Divisors: 1 3 17 51 151 453 2567 7701 1653331 4959993 28106627 84319881 249652981 748958943 4244100677 12732302031