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80844242944 = 2144934341
BaseRepresentation
bin100101101001010110…
…0010100000000000000
321201200011201001121011
41023102230110000000
52311032111233234
6101050032410304
75561252504203
oct1132254240000
9251604631534
1080844242944
1131316516323
12138026a6994
13781500885a
143cacd3d93a
152182684b64
hex12d2b14000

80844242944 has 30 divisors (see below), whose sum is σ = 161683584314. Its totient is φ = 40422113280.

The previous prime is 80844242933. The next prime is 80844242987. The reversal of 80844242944 is 44924244808.

It can be written as a sum of positive squares in only one way, i.e., 68585324544 + 12258918400 = 261888^2 + 110720^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450787 + ... + 2483554.

Almost surely, 280844242944 is an apocalyptic number.

It is an amenable number.

80844242944 is a deficient number, since it is larger than the sum of its proper divisors (80839341370).

80844242944 is an frugal number, since it uses more digits than its factorization.

80844242944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934369 (or 4934343 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 80844242944 in words is "eighty billion, eight hundred forty-four million, two hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 4934341 9868682 19737364 39474728 78949456 157898912 315797824 631595648 1263191296 2526382592 5052765184 10105530368 20211060736 40422121472 80844242944