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489275991832 = 23174847374219
BaseRepresentation
bin1110001111010110001…
…11110010011100011000
31201202220111002122121211
413013223013302130120
531004014123214312
61012434214312504
750230500211405
oct7075307623430
91652814078554
10489275991832
111795565a6431
127a9a9658734
13371a5466604
1419976c772ac
15cad940e3a7
hex71eb1f2718

489275991832 has 32 divisors (see below), whose sum is σ = 971389875600. Its totient is φ = 230239673344.

The previous prime is 489275991823. The next prime is 489275991833. The reversal of 489275991832 is 238199572984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489275991833) 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, 6555219 + ... + 6629437.

Almost surely, 2489275991832 is an apocalyptic number.

It is an amenable number.

489275991832 is a deficient number, since it is larger than the sum of its proper divisors (482113883768).

489275991832 is a wasteful number, since it uses less digits than its factorization.

489275991832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122715 (or 122711 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 67.

The spelling of 489275991832 in words is "four hundred eighty-nine billion, two hundred seventy-five million, nine hundred ninety-one thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 17 34 68 136 48473 74219 96946 148438 193892 296876 387784 593752 824041 1261723 1648082 2523446 3296164 5046892 6592328 10093784 3597617587 7195235174 14390470348 28780940696 61159498979 122318997958 244637995916 489275991832