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28625540034519 = 3223641215737337
BaseRepresentation
bin1101000001000111001110…
…01001010010111111010111
310202100120112002210010220200
412200203213021102333113
512223000101222101034
6140514220324031543
76013061365425201
oct640434711227727
9122316462703820
1028625540034519
1191370290a080a
1232639a35325b3
1312c84b8c0014c
1470d6aab41771
15349938e61a99
hex1a08e7252fd7

28625540034519 has 24 divisors (see below), whose sum is σ = 43213051750752. Its totient is φ = 18225490145280.

The previous prime is 28625540034467. The next prime is 28625540034557. The reversal of 28625540034519 is 91543004552682.

28625540034519 is a `hidden beast` number, since 2 + 8 + 6 + 2 + 55 + 40 + 0 + 34 + 519 = 666.

It is not a de Polignac number, because 28625540034519 - 217 = 28625539903447 is a prime.

It is a super-2 number, since 2×286255400345192 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28625540036519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107735982 + ... + 108001355.

It is an arithmetic number, because the mean of its divisors is an integer number (1800543822948).

Almost surely, 228625540034519 is an apocalyptic number.

28625540034519 is a deficient number, since it is larger than the sum of its proper divisors (14587511716233).

28625540034519 is a wasteful number, since it uses less digits than its factorization.

28625540034519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215738007 (or 215738004 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 28625540034519 in words is "twenty-eight trillion, six hundred twenty-five billion, five hundred forty million, thirty-four thousand, five hundred nineteen".

Divisors: 1 3 9 23 69 207 641 1923 5769 14743 44229 132687 215737337 647212011 1941636033 4961958751 14885876253 44657628759 138287633017 414862899051 1244588697153 3180615559391 9541846678173 28625540034519