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485899144508 = 221377191233209
BaseRepresentation
bin1110001001000011101…
…10001000110100111100
31201110012010222000221102
413010201312020310330
530430110140111013
61011115144552232
750051014403441
oct7044166106474
91643163860842
10485899144508
11178083444018
127a206782678
1336a87988bbb
14197365b59c8
15c98cc2bd58
hex7121d88d3c

485899144508 has 24 divisors (see below), whose sum is σ = 857722219200. Its totient is φ = 240840589568.

The previous prime is 485899144501. The next prime is 485899144573. The reversal of 485899144508 is 805441998584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485899144501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222593 + ... + 1010616.

It is an arithmetic number, because the mean of its divisors is an integer number (35738425800).

Almost surely, 2485899144508 is an apocalyptic number.

It is an amenable number.

485899144508 is a deficient number, since it is larger than the sum of its proper divisors (371823074692).

485899144508 is a wasteful number, since it uses less digits than its factorization.

485899144508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234069 (or 1234067 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 65.

The spelling of 485899144508 in words is "four hundred eighty-five billion, eight hundred ninety-nine million, one hundred forty-four thousand, five hundred eight".

Divisors: 1 2 4 137 274 548 719 1438 2876 98503 197006 394012 1233209 2466418 4932836 168949633 337899266 675798532 886677271 1773354542 3546709084 121474786127 242949572254 485899144508