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83887550075 = 527479357429
BaseRepresentation
bin100111000100000010…
…1100110111001111011
322000112021020002011002
41032020011212321323
52333300203100300
6102312025155215
76026545260560
oct1161005467173
9260467202132
1083887550075
1132638375a8a
121431192bb0b
137bab673cc4
1440bb1ba867
1522ae9305d5
hex1388166e7b

83887550075 has 12 divisors (see below), whose sum is σ = 118880642640. Its totient is φ = 57522891360.

The previous prime is 83887550069. The next prime is 83887550119. The reversal of 83887550075 is 57005578838.

It is not a de Polignac number, because 83887550075 - 26 = 83887550011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83887550075.

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 11 ways as a sum of consecutive naturals, for example, 239678540 + ... + 239678889.

It is an arithmetic number, because the mean of its divisors is an integer number (9906720220).

Almost surely, 283887550075 is an apocalyptic number.

83887550075 is a deficient number, since it is larger than the sum of its proper divisors (34993092565).

83887550075 is a wasteful number, since it uses less digits than its factorization.

83887550075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479357446 (or 479357441 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 83887550075 in words is "eighty-three billion, eight hundred eighty-seven million, five hundred fifty thousand, seventy-five".

Divisors: 1 5 7 25 35 175 479357429 2396787145 3355502003 11983935725 16777510015 83887550075