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85187533704 = 233721313014283
BaseRepresentation
bin100111101010110010…
…0101001101110001000
322010212212101002102220
41033111210221232020
52343431002034304
6103045024254040
76104012042400
oct1172544515610
9263785332386
1085187533704
1133145161a19
1214615171320
138057aa46a0
1441a1ad5800
152338b1aad9
hex13d5929b88

85187533704 has 192 divisors, whose sum is σ = 267063531840. Its totient is φ = 22444531200.

The previous prime is 85187533637. The next prime is 85187533747. The reversal of 85187533704 is 40733578158.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19887547 + ... + 19891829.

It is an arithmetic number, because the mean of its divisors is an integer number (1390955895).

Almost surely, 285187533704 is an apocalyptic number.

85187533704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85187533704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133531765920).

85187533704 is an abundant number, since it is smaller than the sum of its proper divisors (181875998136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85187533704 is a wasteful number, since it uses less digits than its factorization.

85187533704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620 (or 5609 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 85187533704 in words is "eighty-five billion, one hundred eighty-seven million, five hundred thirty-three thousand, seven hundred four".