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30776386624 = 26219292
BaseRepresentation
bin11100101010011010…
…100110010001000000
32221102212012102121021
4130222122212101000
51001012223332444
622045524435224
72136444653464
oct345232462100
987385172537
1030776386624
1112063516875
125b6ab48b14
132b9619ac79
1416bd5c84a4
15c01d89584
hex72a6a6440

30776386624 has 21 divisors (see below), whose sum is σ = 61074677317. Its totient is φ = 15387491584.

The previous prime is 30776386579. The next prime is 30776386651. The reversal of 30776386624 is 42668367703.

The square root of 30776386624 is 175432.

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., 30636201024 + 140185600 = 175032^2 + 11840^2 .

It is a super-2 number, since 2×307763866242 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1392492 + ... + 1414420.

Almost surely, 230776386624 is an apocalyptic number.

30776386624 is the 175432-nd square number.

It is an amenable number.

30776386624 is a deficient number, since it is larger than the sum of its proper divisors (30298290693).

30776386624 is an frugal number, since it uses more digits than its factorization.

30776386624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43870 (or 21931 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 30776386624 in words is "thirty billion, seven hundred seventy-six million, three hundred eighty-six thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 21929 43858 87716 175432 350864 701728 1403456 480881041 961762082 1923524164 3847048328 7694096656 15388193312 30776386624