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481448720144 = 24722718936781
BaseRepresentation
bin1110000000110001001…
…01000111011100010000
31201000200222201001102102
413000120211013130100
530342001333021034
61005101404535532
746532514412340
oct7003045073420
91630628631372
10481448720144
111761aa284357
12793842515a8
133652894c5c2
14194334d2d20
15c7cc18297e
hex7018947710

481448720144 has 40 divisors (see below), whose sum is σ = 1070761401408. Its totient is φ = 205426189440.

The previous prime is 481448720113. The next prime is 481448720149. The reversal of 481448720144 is 441027844184.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (481448720149) 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, 9442967 + ... + 9493814.

Almost surely, 2481448720144 is an apocalyptic number.

It is an amenable number.

481448720144 is an abundant number, since it is smaller than the sum of its proper divisors (589312681264).

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

481448720144 is a wasteful number, since it uses less digits than its factorization.

481448720144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937023 (or 18937017 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 47.

The spelling of 481448720144 in words is "four hundred eighty-one billion, four hundred forty-eight million, seven hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 227 454 908 1589 1816 3178 3632 6356 12712 25424 18936781 37873562 75747124 132557467 151494248 265114934 302988496 530229868 1060459736 2120919472 4298649287 8597298574 17194597148 30090545009 34389194296 60181090018 68778388592 120362180036 240724360072 481448720144