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490942964736 = 210347845567
BaseRepresentation
bin1110010010011100111…
…10110010010000000000
31201221012122210122120000
413021032132302100000
531020422344332421
61013311443320000
750320011226620
oct7111636622000
91657178718500
10490942964736
1117a231560894
127b193980000
13373ac91b103
1419a94402880
15cb8593c226
hex724e7b2400

490942964736 has 220 divisors, whose sum is σ = 1675489609728. Its totient is φ = 140269252608.

The previous prime is 490942964731. The next prime is 490942964737. The reversal of 490942964736 is 637469249094.

490942964736 is a `hidden beast` number, since 490 + 94 + 29 + 6 + 4 + 7 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (490942964731) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 157825 + ... + 1003391.

Almost surely, 2490942964736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490942964736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837744804864).

490942964736 is an abundant number, since it is smaller than the sum of its proper divisors (1184546644992).

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

490942964736 is an equidigital number, since it uses as much as digits as its factorization.

490942964736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845606 (or 845579 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 490942964736 in words is "four hundred ninety billion, nine hundred forty-two million, nine hundred sixty-four thousand, seven hundred thirty-six".