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85871582601 = 37191371570927
BaseRepresentation
bin100111111111001011…
…0000101110110001001
322012122112112101010020
41033332112011312021
52401331111120401
6103240542011053
76126656260140
oct1177626056611
9265575471106
1085871582601
11334662a6a92
1214786276a89
13813671a54c
1442288ba757
152378bdbd36
hex13fe585d89

85871582601 has 32 divisors (see below), whose sum is σ = 138744360960. Its totient is φ = 46147522176.

The previous prime is 85871582557. The next prime is 85871582617. The reversal of 85871582601 is 10628517858.

It is not a de Polignac number, because 85871582601 - 29 = 85871582089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85871582651) 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, 730801 + ... + 840126.

It is an arithmetic number, because the mean of its divisors is an integer number (4335761280).

Almost surely, 285871582601 is an apocalyptic number.

It is an amenable number.

85871582601 is a deficient number, since it is larger than the sum of its proper divisors (52872778359).

85871582601 is a wasteful number, since it uses less digits than its factorization.

85871582601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571093.

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 85871582601 in words is "eighty-five billion, eight hundred seventy-one million, five hundred eighty-two thousand, six hundred one".

Divisors: 1 3 7 19 21 57 133 137 399 411 959 2603 2877 7809 18221 54663 1570927 4712781 10996489 29847613 32989467 89542839 208933291 215216999 626799873 645650997 1506518993 4089122981 4519556979 12267368943 28623860867 85871582601