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489114324981 = 32311753097939
BaseRepresentation
bin1110001111000010111…
…11000100111111110101
31201202111012220010101200
413013201133010333311
531003201231344411
61012410201243113
750223465110442
oct7074137047765
91652435803350
10489114324981
11179483315767
127a963493499
133717ab11259
141995d5d29c9
15caca127e56
hex71e17c4ff5

489114324981 has 12 divisors (see below), whose sum is σ = 729288743040. Its totient is φ = 315557628840.

The previous prime is 489114324973. The next prime is 489114324983. The reversal of 489114324981 is 189423411984.

489114324981 is a `hidden beast` number, since 4 + 8 + 9 + 1 + 143 + 2 + 498 + 1 = 666.

It is not a de Polignac number, because 489114324981 - 23 = 489114324973 is a prime.

It is a super-2 number, since 2×4891143249812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489114324983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876548691 + ... + 876549248.

It is an arithmetic number, because the mean of its divisors is an integer number (60774061920).

Almost surely, 2489114324981 is an apocalyptic number.

It is an amenable number.

489114324981 is a deficient number, since it is larger than the sum of its proper divisors (240174418059).

489114324981 is a wasteful number, since it uses less digits than its factorization.

489114324981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753097976 (or 1753097973 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 489114324981 in words is "four hundred eighty-nine billion, one hundred fourteen million, three hundred twenty-four thousand, nine hundred eighty-one".

Divisors: 1 3 9 31 93 279 1753097939 5259293817 15777881451 54346036109 163038108327 489114324981