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628307373885 = 35142963292993
BaseRepresentation
bin10010010010010100000…
…10011010111100111101
32020001202211011122100020
421021022002122330331
540243233141431020
61200350155322353
763252020362602
oct11111202327475
92201684148306
10628307373885
11222511150574
12a192aa503b9
1347331458499
14225a59a66a9
151152509cc40
hex924a09af3d

628307373885 has 16 divisors (see below), whose sum is σ = 1005302261184. Its totient is φ = 335093778432.

The previous prime is 628307373847. The next prime is 628307373887. The reversal of 628307373885 is 588373703826.

It is not a de Polignac number, because 628307373885 - 26 = 628307373821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628307373887) 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 15 ways as a sum of consecutive naturals, for example, 1997949 + ... + 2290941.

It is an arithmetic number, because the mean of its divisors is an integer number (62831391324).

Almost surely, 2628307373885 is an apocalyptic number.

It is an amenable number.

628307373885 is a deficient number, since it is larger than the sum of its proper divisors (376994887299).

628307373885 is a wasteful number, since it uses less digits than its factorization.

628307373885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435964.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 628307373885 in words is "six hundred twenty-eight billion, three hundred seven million, three hundred seventy-three thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 142963 292993 428889 714815 878979 1464965 2144445 4394895 41887158259 125661474777 209435791295 628307373885