Search a number
-
+
30777088356 = 22327241772
BaseRepresentation
bin11100101010011101…
…010001100101100100
32221102220112002012100
4130222131101211210
51001012413311411
622045551452100
72136453635400
oct345235214544
987386462170
1030777088356
1112063956013
125b6b227030
132b963854b1
1416bd72c100
15c01e77456
hex72a751964

30777088356 has 81 divisors (see below), whose sum is σ = 90520966809. Its totient is φ = 8791348608.

The previous prime is 30777088343. The next prime is 30777088357. The reversal of 30777088356 is 65388077703.

The square root of 30777088356 is 175434.

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., 28436076900 + 2341011456 = 168630^2 + 48384^2 .

It is not an unprimeable number, because it can be changed into a prime (30777088357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7366140 + ... + 7370316.

Almost surely, 230777088356 is an apocalyptic number.

30777088356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

30777088356 is the 175434-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30777088356

30777088356 is an abundant number, since it is smaller than the sum of its proper divisors (59743878453).

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

30777088356 is an equidigital number, since it uses as much as digits as its factorization.

30777088356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378 (or 4189 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 30777088356 in words is "thirty billion, seven hundred seventy-seven million, eighty-eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 4177 8354 12531 16708 25062 29239 37593 50124 58478 75186 87717 116956 150372 175434 204673 263151 350868 409346 526302 614019 818692 1052604 1228038 1842057 2456076 3684114 7368228 17447329 34894658 52341987 69789316 104683974 122131303 157025961 209367948 244262606 314051922 366393909 488525212 628103844 732787818 854919121 1099181727 1465575636 1709838242 2198363454 2564757363 3419676484 4396726908 5129514726 7694272089 10259029452 15388544178 30777088356