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489312842942 = 27113851825073
BaseRepresentation
bin1110001111011010101…
…00010111010010111110
31201210000001102212211202
413013231110113102332
531004103041433232
61012442012215502
750231425353140
oct7075524272276
91653001385752
10489312842942
111795753861a0
127a9b9a6a592
13371acc99ac1
141997bb0ac90
15cadc78d162
hex71ed5174be

489312842942 has 32 divisors (see below), whose sum is σ = 915317293824. Its totient is φ = 190591632000.

The previous prime is 489312842927. The next prime is 489312842951. The reversal of 489312842942 is 249248213984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180518 + ... + 1005590.

It is an arithmetic number, because the mean of its divisors is an integer number (28603665432).

Almost surely, 2489312842942 is an apocalyptic number.

489312842942 is a deficient number, since it is larger than the sum of its proper divisors (426004450882).

489312842942 is a wasteful number, since it uses less digits than its factorization.

489312842942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828944.

The product of its digits is 7962624, while the sum is 56.

The spelling of 489312842942 in words is "four hundred eighty-nine billion, three hundred twelve million, eight hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 7 11 14 22 77 154 3851 7702 26957 42361 53914 84722 296527 593054 825073 1650146 5775511 9075803 11551022 18151606 63530621 127061242 3177356123 6354712246 22241492861 34950917353 44482985722 69901834706 244656421471 489312842942