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48605643687 = 3171958518573
BaseRepresentation
bin101101010001000111…
…110100001110100111
311122110102002112100110
4231101013310032213
51244021021044222
634155031344103
73340331103666
oct552107641647
9148412075313
1048605643687
1119682689567
129505b22033
134777c19013
1424d148addd
1513e726730c
hexb511f43a7

48605643687 has 32 divisors (see below), whose sum is σ = 72252069120. Its totient is φ = 28884211200.

The previous prime is 48605643683. The next prime is 48605643689. The reversal of 48605643687 is 78634650684.

It is not a de Polignac number, because 48605643687 - 22 = 48605643683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48605643683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5665333 + ... + 5673905.

It is an arithmetic number, because the mean of its divisors is an integer number (2257877160).

Almost surely, 248605643687 is an apocalyptic number.

48605643687 is a deficient number, since it is larger than the sum of its proper divisors (23646425433).

48605643687 is a wasteful number, since it uses less digits than its factorization.

48605643687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 48605643687 in words is "forty-eight billion, six hundred five million, six hundred forty-three thousand, six hundred eighty-seven".

Divisors: 1 3 17 19 51 57 323 969 5851 8573 17553 25719 99467 111169 145741 162887 298401 333507 437223 488661 1889873 2769079 5669619 8307237 50160623 150481869 852730591 953051837 2558191773 2859155511 16201881229 48605643687