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82490732944 = 2459212172
BaseRepresentation
bin100110011010011010…
…1001011000110010000
321212220220212102021021
41030310311023012100
52322420111423234
6101521250405224
75650124442454
oct1146465130620
9255826772237
1082490732944
1131a90960664
1213ba1b90814
137a1816b1a9
143dc7896664
15222beb89b4
hex1334d4b190

82490732944 has 45 divisors (see below), whose sum is σ = 162714321697. Its totient is φ = 40512975872.

The previous prime is 82490732927. The next prime is 82490732963. The reversal of 82490732944 is 44923709428.

The square root of 82490732944 is 287212.

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

It can be written as a sum of positive squares in only one way, i.e., 27682304400 + 54808428544 = 166380^2 + 234112^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82490732891 and 82490732900.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67781424 + ... + 67782640.

Almost surely, 282490732944 is an apocalyptic number.

82490732944 is the 287212-nd square number.

It is an amenable number.

82490732944 is a deficient number, since it is larger than the sum of its proper divisors (80223588753).

82490732944 is an frugal number, since it uses more digits than its factorization.

82490732944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 82490732944 in words is "eighty-two billion, four hundred ninety million, seven hundred thirty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 59 118 236 472 944 1217 2434 3481 4868 6962 9736 13924 19472 27848 55696 71803 143606 287212 574424 1148848 1481089 2962178 4236377 5924356 8472754 11848712 16945508 23697424 33891016 67782032 87384251 174768502 349537004 699074008 1398148016 5155670809 10311341618 20622683236 41245366472 82490732944