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488486666661 = 3723261269841
BaseRepresentation
bin1110001101111000001…
…00110000000110100101
31201200212110211210001020
413012330010300012211
531000410041313121
61012224020321353
750202104105010
oct7067404600645
91650773753036
10488486666661
11179190a96784
127a809243259
13370aaa804b6
14199000ca377
15ca8ee951c6
hex71bc1301a5

488486666661 has 8 divisors (see below), whose sum is σ = 744360634944. Its totient is φ = 279135238080.

The previous prime is 488486666653. The next prime is 488486666669. The reversal of 488486666661 is 166666684884.

It is an interprime number because it is at equal distance from previous prime (488486666653) and next prime (488486666669).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 488486666661 - 23 = 488486666653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488486666669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11630634900 + ... + 11630634941.

It is an arithmetic number, because the mean of its divisors is an integer number (93045079368).

Almost surely, 2488486666661 is an apocalyptic number.

It is an amenable number.

488486666661 is a deficient number, since it is larger than the sum of its proper divisors (255873968283).

488486666661 is a wasteful number, since it uses less digits than its factorization.

488486666661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23261269851.

The product of its digits is 382205952, while the sum is 69.

It can be divided in two parts, 4884 and 86666661, that multiplied together give a palindrome (423279972324).

The spelling of 488486666661 in words is "four hundred eighty-eight billion, four hundred eighty-six million, six hundred sixty-six thousand, six hundred sixty-one".

Divisors: 1 3 7 21 23261269841 69783809523 162828888887 488486666661