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42808551550 = 2522929523139
BaseRepresentation
bin100111110111100101…
…101010100001111110
311002111101211201221021
4213313211222201332
51200132442122200
631355503454354
73043556453512
oct476745524176
9132441751837
1042808551550
1117178347426
1283685b73ba
134062bb4c9b
1421015ba142
1511a836041a
hex9f796a87e

42808551550 has 24 divisors (see below), whose sum is σ = 82369560600. Its totient is φ = 16532957280.

The previous prime is 42808551517. The next prime is 42808551607. The reversal of 42808551550 is 5515580824.

It is a super-3 number, since 3×428085515503 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42808551497 and 42808551506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14760120 + ... + 14763019.

It is an arithmetic number, because the mean of its divisors is an integer number (3432065025).

Almost surely, 242808551550 is an apocalyptic number.

42808551550 is a deficient number, since it is larger than the sum of its proper divisors (39561009050).

42808551550 is a wasteful number, since it uses less digits than its factorization.

42808551550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29523180 (or 29523175 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 43.

The spelling of 42808551550 in words is "forty-two billion, eight hundred eight million, five hundred fifty-one thousand, five hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 725 1450 29523139 59046278 147615695 295231390 738078475 856171031 1476156950 1712342062 4280855155 8561710310 21404275775 42808551550