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630943317143 = 1494234518907
BaseRepresentation
bin10010010111001110010…
…01101111110010010111
32020022120112011102201022
421023213021233302113
540314132442122033
61201503520551355
763404235464426
oct11134711576227
92208515142638
10630943317143
11223644065777
12a234578255b
13476615a4619
1422775ac32bd
151162b6cd098
hex92e726fc97

630943317143 has 4 divisors (see below), whose sum is σ = 635177836200. Its totient is φ = 626708798088.

The previous prime is 630943317101. The next prime is 630943317149. The reversal of 630943317143 is 341713349036.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630943317143 - 210 = 630943316119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630943317094 and 630943317103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630943317149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2117259305 + ... + 2117259602.

It is an arithmetic number, because the mean of its divisors is an integer number (158794459050).

Almost surely, 2630943317143 is an apocalyptic number.

630943317143 is a deficient number, since it is larger than the sum of its proper divisors (4234519057).

630943317143 is a wasteful number, since it uses less digits than its factorization.

630943317143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234519056.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 630943317143 in words is "six hundred thirty billion, nine hundred forty-three million, three hundred seventeen thousand, one hundred forty-three".

Divisors: 1 149 4234518907 630943317143