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490570809544 = 23311978108103
BaseRepresentation
bin1110010001110000100…
…11001000000011001000
31201220020201112012121101
413020320103020003020
531014142111401134
61013210510551144
750304542036224
oct7107023100310
91656221465541
10490570809544
1117a060484112
127b0ab2084b4
13373507a883a
1419a5ac09784
15cb62e28e14
hex72384c80c8

490570809544 has 16 divisors (see below), whose sum is σ = 949491889920. Its totient is φ = 237372972240.

The previous prime is 490570809541. The next prime is 490570809593. The reversal of 490570809544 is 445908075094.

It is not an unprimeable number, because it can be changed into a prime (490570809541) 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, 989053804 + ... + 989054299.

It is an arithmetic number, because the mean of its divisors is an integer number (59343243120).

Almost surely, 2490570809544 is an apocalyptic number.

It is an amenable number.

490570809544 is a deficient number, since it is larger than the sum of its proper divisors (458921080376).

490570809544 is a wasteful number, since it uses less digits than its factorization.

490570809544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978108140 (or 1978108136 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 490570809544 in words is "four hundred ninety billion, five hundred seventy million, eight hundred nine thousand, five hundred forty-four".

Divisors: 1 2 4 8 31 62 124 248 1978108103 3956216206 7912432412 15824864824 61321351193 122642702386 245285404772 490570809544