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12788612734 = 229375959279
BaseRepresentation
bin10111110100100001…
…01011111001111110
31020000021000211122111
423322100223321332
5202142341101414
65513000204234
7631625262142
oct137220537176
936007024574
1012788612734
115472925037
12258aa6967a
13128a65b591
14894661222
154ecae88c4
hex2fa42be7e

12788612734 has 16 divisors (see below), whose sum is σ = 20380737600. Its totient is φ = 6006952224.

The previous prime is 12788612719. The next prime is 12788612737. The reversal of 12788612734 is 43721688721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788612737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977494 + ... + 2981785.

It is an arithmetic number, because the mean of its divisors is an integer number (1273796100).

Almost surely, 212788612734 is an apocalyptic number.

12788612734 is a deficient number, since it is larger than the sum of its proper divisors (7592124866).

12788612734 is a wasteful number, since it uses less digits than its factorization.

12788612734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959347.

The product of its digits is 903168, while the sum is 49.

The spelling of 12788612734 in words is "twelve billion, seven hundred eighty-eight million, six hundred twelve thousand, seven hundred thirty-four".

Divisors: 1 2 29 37 58 74 1073 2146 5959279 11918558 172819091 220493323 345638182 440986646 6394306367 12788612734