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28735641073388 = 2245007159617621
BaseRepresentation
bin1101000100010100010011…
…01011011011011011101100
310202202002201020022102120002
412202022021223123123230
512231301043103322023
6141040545443243432
76024036655005464
oct642121153333354
9122662636272502
1028735641073388
119179798281917
1232811b0079578
1313059b4315662
14714b53506ba4
1534c72ed66b28
hex1a2289adb6ec

28735641073388 has 12 divisors (see below), whose sum is σ = 50288489516832. Its totient is φ = 14367501211440.

The previous prime is 28735641073361. The next prime is 28735641073417. The reversal of 28735641073388 is 88337014653782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79628783 + ... + 79988838.

It is an arithmetic number, because the mean of its divisors is an integer number (4190707459736).

Almost surely, 228735641073388 is an apocalyptic number.

It is an amenable number.

28735641073388 is a deficient number, since it is larger than the sum of its proper divisors (21552848443444).

28735641073388 is a wasteful number, since it uses less digits than its factorization.

28735641073388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159662632 (or 159662630 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 65.

The spelling of 28735641073388 in words is "twenty-eight trillion, seven hundred thirty-five billion, six hundred forty-one million, seventy-three thousand, three hundred eighty-eight".

Divisors: 1 2 4 45007 90014 180028 159617621 319235242 638470484 7183910268347 14367820536694 28735641073388