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2081464081984 = 2672257632
BaseRepresentation
bin11110010010100000111…
…011010101111001000000
321100222121210212222212201
4132102200323111321000
5233100314301110414
64232113355002544
7303244422530200
oct36224073257100
97328553788781
102081464081984
11732820235381
1229749a139454
13121386ac3891
1472a59c5c400
1539224c9d574
hex1e4a0ed5e40

2081464081984 has 63 divisors (see below), whose sum is σ = 4804943676987. Its totient is φ = 892021409664.

The previous prime is 2081464081937. The next prime is 2081464082003. The reversal of 2081464081984 is 4891804641802.

The square root of 2081464081984 is 1442728.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80779887 + ... + 80805649.

Almost surely, 22081464081984 is an apocalyptic number.

2081464081984 is the 1442728-th square number.

It is an amenable number.

2081464081984 is an abundant number, since it is smaller than the sum of its proper divisors (2723479595003).

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

2081464081984 is an frugal number, since it uses more digits than its factorization.

2081464081984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51552 (or 25772 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 2081464081984 in words is "two trillion, eighty-one billion, four hundred sixty-four million, eighty-one thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 25763 51526 103052 180341 206104 360682 412208 721364 824416 1262387 1442728 1648832 2524774 2885456 5049548 5770912 10099096 11541824 20198192 40396384 80792768 663732169 1327464338 2654928676 4646125183 5309857352 9292250366 10619714704 18584500732 21239429408 32522876281 37169001464 42478858816 65045752562 74338002928 130091505124 148676005856 260183010248 297352011712 520366020496 1040732040992 2081464081984