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987134140203031 = 4725398272096907
BaseRepresentation
bin1110000001110010110001001…
…1110001011100000000010111
311210110011002202111010010001101
43200130230103301130000113
52013341201204342444111
613415243055201010531
7414632042136306202
oct34034542361340027
94713132674103041
10987134140203031
11266593268679877
1292869262323a47
13334a6471c44072
14135a9793b68939
15791c9571e4bc1
hex381cb13c5c017

987134140203031 has 8 divisors (see below), whose sum is σ = 1008534055023360. Its totient is φ = 965750769581688.

The previous prime is 987134140203011. The next prime is 987134140203059. The reversal of 987134140203031 is 130302041431789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 987134140203031 - 211 = 987134140200983 is a prime.

It is a super-2 number, since 2×9871341402030312 (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987134140203011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135929121 + ... + 4136167786.

It is an arithmetic number, because the mean of its divisors is an integer number (126066756877920).

Almost surely, 2987134140203031 is an apocalyptic number.

987134140203031 is a deficient number, since it is larger than the sum of its proper divisors (21399914820329).

987134140203031 is a wasteful number, since it uses less digits than its factorization.

987134140203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272099493.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 987134140203031 in words is "nine hundred eighty-seven trillion, one hundred thirty-four billion, one hundred forty million, two hundred three thousand, thirty-one".

Divisors: 1 47 2539 119333 8272096907 388788554629 21002854046873 987134140203031