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61314351530 = 256131435153
BaseRepresentation
bin111001000110100111…
…101100000110101010
312212021002202210002112
4321012213230012222
52001032433222110
644100055202322
74300266250235
oct710647540652
9185232683075
1061314351530
11240043978a3
12ba720763a2
135a21b4b5a3
142d7926c41c
1518dcd2a405
hexe469ec1aa

61314351530 has 8 divisors (see below), whose sum is σ = 110365832772. Its totient is φ = 24525740608.

The previous prime is 61314351499. The next prime is 61314351557. The reversal of 61314351530 is 3515341316.

61314351530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57957192049 + 3357159481 = 240743^2 + 57941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065717567 + ... + 3065717586.

Almost surely, 261314351530 is an apocalyptic number.

61314351530 is a deficient number, since it is larger than the sum of its proper divisors (49051481242).

61314351530 is a wasteful number, since it uses less digits than its factorization.

61314351530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131435160.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 61314351530 its reverse (3515341316), we get a palindrome (64829692846).

The spelling of 61314351530 in words is "sixty-one billion, three hundred fourteen million, three hundred fifty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 6131435153 12262870306 30657175765 61314351530