Search a number
-
+
495708987648 = 2837279166741
BaseRepresentation
bin1110011011010101000…
…11101110000100000000
31202101111210220200220010
413031222203232010000
531110203000101043
61015420415544520
750546062605300
oct7155243560400
91671453820803
10495708987648
111812578893a6
12800a3b2b140
133798c157404
1419dc7399600
15cd64077133
hex736a8ee100

495708987648 has 216 divisors, whose sum is σ = 1554142154880. Its totient is φ = 139837501440.

The previous prime is 495708987637. The next prime is 495708987673. The reversal of 495708987648 is 846789807594.

It is a self number, because there is not a number n which added to its sum of digits gives 495708987648.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2889558 + ... + 3056298.

Almost surely, 2495708987648 is an apocalyptic number.

495708987648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495708987648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777071077440).

495708987648 is an abundant number, since it is smaller than the sum of its proper divisors (1058433167232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495708987648 is a wasteful number, since it uses less digits than its factorization.

495708987648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166853 (or 166832 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 75.

The spelling of 495708987648 in words is "four hundred ninety-five billion, seven hundred eight million, nine hundred eighty-seven thousand, six hundred forty-eight".