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489878624413 = 647757153979
BaseRepresentation
bin1110010000011110000…
…10101001100010011101
31201211110111001120010001
413020033002221202131
531011232411440123
61013014103014301
750251435413613
oct7101702514235
91654414046101
10489878624413
11179835792192
127ab3743a391
1337270274539
14199d2d076b3
15cb2229c0ad
hex720f0a989d

489878624413 has 4 divisors (see below), whose sum is σ = 490635779040. Its totient is φ = 489121469788.

The previous prime is 489878624369. The next prime is 489878624461. The reversal of 489878624413 is 314426878984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489878624413 - 29 = 489878623901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489878624483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378576343 + ... + 378577636.

It is an arithmetic number, because the mean of its divisors is an integer number (122658944760).

Almost surely, 2489878624413 is an apocalyptic number.

It is an amenable number.

489878624413 is a deficient number, since it is larger than the sum of its proper divisors (757154627).

489878624413 is an equidigital number, since it uses as much as digits as its factorization.

489878624413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757154626.

The product of its digits is 74317824, while the sum is 64.

The spelling of 489878624413 in words is "four hundred eighty-nine billion, eight hundred seventy-eight million, six hundred twenty-four thousand, four hundred thirteen".

Divisors: 1 647 757153979 489878624413