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51274112193 = 3247123120899
BaseRepresentation
bin101111110000001011…
…001101110011000001
311220100101021202222100
4233300023031303001
51320002133042233
635315514101013
73463422522363
oct576013156301
9156311252870
1051274112193
111a821999437
129b2b71a769
134ab1a12675
1426a5a32d33
15150166e813
hexbf02cdcc1

51274112193 has 12 divisors (see below), whose sum is σ = 74064790800. Its totient is φ = 34181733336.

The previous prime is 51274112167. The next prime is 51274112243. The reversal of 51274112193 is 39121147215.

It is a happy number.

51274112193 is a `hidden beast` number, since 5 + 1 + 27 + 411 + 219 + 3 = 666.

51274112193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51274112193 - 25 = 51274112161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51274112143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363658 + ... + 484556.

It is an arithmetic number, because the mean of its divisors is an integer number (6172065900).

Almost surely, 251274112193 is an apocalyptic number.

It is an amenable number.

51274112193 is a deficient number, since it is larger than the sum of its proper divisors (22790678607).

51274112193 is a wasteful number, since it uses less digits than its factorization.

51274112193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168028 (or 168025 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The spelling of 51274112193 in words is "fifty-one billion, two hundred seventy-four million, one hundred twelve thousand, one hundred ninety-three".

Divisors: 1 3 9 47123 120899 141369 362697 424107 1088091 5697123577 17091370731 51274112193