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12789100006 = 235973924103
BaseRepresentation
bin10111110100100101…
…00010110111100110
31020000021221121001121
423322102202313212
5202143002200011
65513014444154
7631632361564
oct137222426746
936007847047
1012789100006
115473128141
12258b06365a
13128a79c2c7
1489474aa34
154ecb92e71
hex2fa4a2de6

12789100006 has 16 divisors (see below), whose sum is σ = 19263916800. Its totient is φ = 6367844808.

The previous prime is 12789099989. The next prime is 12789100007. The reversal of 12789100006 is 60000198721.

It is a happy number.

It is a super-2 number, since 2×127891000062 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518551 + ... + 542653.

It is an arithmetic number, because the mean of its divisors is an integer number (1203994800).

Almost surely, 212789100006 is an apocalyptic number.

12789100006 is a deficient number, since it is larger than the sum of its proper divisors (6474816794).

12789100006 is a wasteful number, since it uses less digits than its factorization.

12789100006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25203.

The product of its (nonzero) digits is 6048, while the sum is 34.

Adding to 12789100006 its reverse (60000198721), we get a palindrome (72789298727).

The spelling of 12789100006 in words is "twelve billion, seven hundred eighty-nine million, one hundred thousand, six".

Divisors: 1 2 359 718 739 1478 24103 48206 265301 530602 8652977 17305954 17812117 35624234 6394550003 12789100006