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87009885035 = 5311275717741
BaseRepresentation
bin101000100001000110…
…0010111101101101011
322022120212110010111122
41101002030113231223
52411144012310120
6103545523445455
76200120551133
oct1210214275553
9268525403448
1087009885035
113399a8a24a7
1214a4352688b
1382884bc198
1442d5b49ac3
1523e3adba25
hex1442317b6b

87009885035 has 32 divisors (see below), whose sum is σ = 108832948224. Its totient is φ = 66706416000.

The previous prime is 87009885031. The next prime is 87009885037. The reversal of 87009885035 is 53058890078.

It is not a de Polignac number, because 87009885035 - 22 = 87009885031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87009885031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11236265 + ... + 11244005.

It is an arithmetic number, because the mean of its divisors is an integer number (3401029632).

Almost surely, 287009885035 is an apocalyptic number.

87009885035 is a deficient number, since it is larger than the sum of its proper divisors (21823063189).

87009885035 is a wasteful number, since it uses less digits than its factorization.

87009885035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 87009885035 in words is "eighty-seven billion, nine million, eight hundred eighty-five thousand, thirty-five".

Divisors: 1 5 31 127 155 571 635 2855 3937 7741 17701 19685 38705 72517 88505 239971 362585 983107 1199855 2248027 4420111 4915535 11240135 22100555 30476317 137023441 152381585 561354097 685117205 2806770485 17401977007 87009885035