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489587140431 = 33100936974861
BaseRepresentation
bin1110001111111011010…
…10101110011101001111
31201210201011120122021000
413013331222232131033
531010133301443211
61012525131311343
750241266013234
oct7077552563517
91653634518230
10489587140431
111796a61a4a34
127aa758ab553
1337224a689cc
14199a630d78b
15cb068c1656
hex71fdaae74f

489587140431 has 32 divisors (see below), whose sum is σ = 726378910400. Its totient is φ = 325912688640.

The previous prime is 489587140381. The next prime is 489587140439. The reversal of 489587140431 is 134041785984.

489587140431 is a `hidden beast` number, since 4 + 8 + 9 + 587 + 14 + 0 + 43 + 1 = 666.

It is not a de Polignac number, because 489587140431 - 215 = 489587107663 is a prime.

It is a super-2 number, since 2×4895871404312 (a number of 24 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 (489587140439) 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, 100714941 + ... + 100719801.

It is an arithmetic number, because the mean of its divisors is an integer number (22699340950).

Almost surely, 2489587140431 is an apocalyptic number.

489587140431 is a deficient number, since it is larger than the sum of its proper divisors (236791769969).

489587140431 is a wasteful number, since it uses less digits than its factorization.

489587140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576 (or 9570 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 489587140431 in words is "four hundred eighty-nine billion, five hundred eighty-seven million, one hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 9 27 1009 3027 3697 4861 9081 11091 14583 27243 33273 43749 99819 131247 3730273 4904749 11190819 14714247 17971117 33572457 44142741 53913351 100717371 132428223 161740053 485220159 18132857053 54398571159 163195713477 489587140431