Search a number
-
+
498785323008 = 2113789311419
BaseRepresentation
bin1110100001000011110…
…11000000100000000000
31202200110012120201122210
413100201323000200000
531133003020314013
61021045552302120
751015236202120
oct7204173004000
91680405521583
10498785323008
11182596347715
1280802241940
133805c5b7cab
141a1d9b92c80
15ce94198cc3
hex7421ec0800

498785323008 has 384 divisors, whose sum is σ = 1545433344000. Its totient is φ = 140120555520.

The previous prime is 498785322967. The next prime is 498785323019. The reversal of 498785323008 is 800323587894.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190418223 + ... + 1190418641.

It is an arithmetic number, because the mean of its divisors is an integer number (4024566000).

Almost surely, 2498785323008 is an apocalyptic number.

498785323008 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 498785323008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772716672000).

498785323008 is an abundant number, since it is smaller than the sum of its proper divisors (1046648020992).

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

498785323008 is a wasteful number, since it uses less digits than its factorization.

498785323008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 498785323008 in words is "four hundred ninety-eight billion, seven hundred eighty-five million, three hundred twenty-three thousand, eight".