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51562105130 = 255156210513
BaseRepresentation
bin110000000001010101…
…110100100100101010
311221002110012100000102
4300001111310210222
51321044344331010
635404242505402
73503520443054
oct600125644452
9157073170012
1051562105130
111a95a511828
129bb0065262
134b295981a3
1426d1d9c8d4
15151baaaba5
hexc0157492a

51562105130 has 8 divisors (see below), whose sum is σ = 92811789252. Its totient is φ = 20624842048.

The previous prime is 51562105121. The next prime is 51562105163. The reversal of 51562105130 is 3150126515.

It can be written as a sum of positive squares in 2 ways, for example, as 51443229721 + 118875409 = 226811^2 + 10903^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51562105093 and 51562105102.

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, 2578105247 + ... + 2578105266.

Almost surely, 251562105130 is an apocalyptic number.

51562105130 is a deficient number, since it is larger than the sum of its proper divisors (41249684122).

51562105130 is a wasteful number, since it uses less digits than its factorization.

51562105130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156210520.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 51562105130 in words is "fifty-one billion, five hundred sixty-two million, one hundred five thousand, one hundred thirty".

Divisors: 1 2 5 10 5156210513 10312421026 25781052565 51562105130