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448484000080 = 245291371411037
BaseRepresentation
bin1101000011010111011…
…10101100000101010000
31120212121121202202200111
412201223232230011100
524321443401000310
6542010344331104
744254565046634
oct6415356540520
91525547682614
10448484000080
11163223587256
1272b04473a94
13333a42a629c
14179c7426dc4
15b9ed13328a
hex686bbac150

448484000080 has 80 divisors (see below), whose sum is σ = 1086555701520. Its totient is φ = 171943202816.

The previous prime is 448484000059. The next prime is 448484000093. The reversal of 448484000080 is 80000484844.

It can be written as a sum of positive squares in 8 ways, for example, as 22304825104 + 426179174976 = 149348^2 + 652824^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4484840000802 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 448483999997 and 448484000042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387679 + ... + 1023358.

It is an arithmetic number, because the mean of its divisors is an integer number (13581946269).

Almost surely, 2448484000080 is an apocalyptic number.

448484000080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

448484000080 is an abundant number, since it is smaller than the sum of its proper divisors (638071701440).

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

448484000080 is a wasteful number, since it uses less digits than its factorization.

448484000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411216 (or 1411210 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 448484000080 in words is "four hundred forty-eight billion, four hundred eighty-four million, eighty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 137 145 232 274 290 464 548 580 685 1096 1160 1370 2192 2320 2740 3973 5480 7946 10960 15892 19865 31784 39730 63568 79460 158920 317840 1411037 2822074 5644148 7055185 11288296 14110370 22576592 28220740 40920073 56441480 81840146 112882960 163680292 193312069 204600365 327360584 386624138 409200730 654721168 773248276 818401460 966560345 1546496552 1636802920 1933120690 3092993104 3273605840 3866241380 5606050001 7732482760 11212100002 15464965520 22424200004 28030250005 44848400008 56060500010 89696800016 112121000020 224242000040 448484000080