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28625540034518 = 2722017144817723
BaseRepresentation
bin1101000001000111001110…
…01001010010111111010110
310202100120112002210010220122
412200203213021102333112
512223000101222101033
6140514220324031542
76013061365425200
oct640434711227726
9122316462703818
1028625540034518
1191370290a0809
1232639a35325b2
1312c84b8c0014b
1470d6aab41770
15349938e61a98
hex1a08e7252fd6

28625540034518 has 24 divisors (see below), whose sum is σ = 49973410562472. Its totient is φ = 12262006157184.

The previous prime is 28625540034467. The next prime is 28625540034557. The reversal of 28625540034518 is 81543004552682.

It is a self number, because there is not a number n which added to its sum of digits gives 28625540034518.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 72211196 + ... + 72606527.

It is an arithmetic number, because the mean of its divisors is an integer number (2082225440103).

Almost surely, 228625540034518 is an apocalyptic number.

28625540034518 is a deficient number, since it is larger than the sum of its proper divisors (21347870527954).

28625540034518 is a wasteful number, since it uses less digits than its factorization.

28625540034518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144819756 (or 144819749 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 28625540034518 in words is "twenty-eight trillion, six hundred twenty-five billion, five hundred forty million, thirty-four thousand, five hundred eighteen".

Divisors: 1 2 7 14 49 98 2017 4034 14119 28238 98833 197666 144817723 289635446 1013724061 2027448122 7096068427 14192136854 292097347291 584194694582 2044681431037 4089362862074 14312770017259 28625540034518