Search a number
-
+
76326217984 = 283125572
BaseRepresentation
bin100011100010101100…
…1011010100100000000
321022000022020121111101
41013011121122210000
52222304002433414
655021435424144
75341302101602
oct1070531324400
9238008217441
1076326217984
112a4081842a5
12129615b5054
137274c908c3
1439a0ca1172
151ebabd5a74
hex11c565a900

76326217984 has 81 divisors (see below), whose sum is σ = 157710620361. Its totient is φ = 36865735680.

The previous prime is 76326217967. The next prime is 76326217987. The reversal of 76326217984 is 48971262367.

The square root of 76326217984 is 276272.

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., 6697785600 + 69628432384 = 81840^2 + 263872^2 .

It is a super-3 number, since 3×763262179843 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76326217987) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 137030634 + ... + 137031190.

Almost surely, 276326217984 is an apocalyptic number.

76326217984 is the 276272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76326217984

76326217984 is an abundant number, since it is smaller than the sum of its proper divisors (81384402377).

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

76326217984 is an frugal number, since it uses more digits than its factorization.

76326217984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 590 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The spelling of 76326217984 in words is "seventy-six billion, three hundred twenty-six million, two hundred seventeen thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 557 961 992 1114 1922 1984 2228 3844 3968 4456 7688 7936 8912 15376 17267 17824 30752 34534 35648 61504 69068 71296 123008 138136 142592 246016 276272 310249 535277 552544 620498 1070554 1105088 1240996 2141108 2210176 2481992 4282216 4420352 4963984 8564432 9617719 9927968 17128864 19235438 19855936 34257728 38470876 39711872 68515456 76941752 79423744 137030912 153883504 298149289 307767008 596298578 615534016 1192597156 1231068032 2385194312 2462136064 4770388624 9540777248 19081554496 38163108992 76326217984