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628008472405 = 519103211130403
BaseRepresentation
bin10010010001110000011…
…10001100111101010101
32020000222222201212121001
421020320032030331111
540242130132104110
61200300401023301
763241430636656
oct11107016147525
92200888655531
10628008472405
11222378457456
12a1866924b31
13472b45536c2
1422577ddb52d
1511508c0963a
hex923838cf55

628008472405 has 32 divisors (see below), whose sum is σ = 801381335040. Its totient is φ = 471104527680.

The previous prime is 628008472387. The next prime is 628008472411. The reversal of 628008472405 is 504274800826.

It is not a de Polignac number, because 628008472405 - 211 = 628008470357 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20640934 + ... + 20671336.

It is an arithmetic number, because the mean of its divisors is an integer number (25043166720).

Almost surely, 2628008472405 is an apocalyptic number.

It is an amenable number.

628008472405 is a deficient number, since it is larger than the sum of its proper divisors (173372862635).

628008472405 is a wasteful number, since it uses less digits than its factorization.

628008472405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32641.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 628008472405 in words is "six hundred twenty-eight billion, eight million, four hundred seventy-two thousand, four hundred five".

Divisors: 1 5 19 95 103 515 1957 2111 9785 10555 30403 40109 152015 200545 217433 577657 1087165 2888285 3131509 4131227 15657545 20656135 59498671 64180733 297493355 320903665 1219433927 6097169635 6610615499 33053077495 125601694481 628008472405