Search a number
-
+
51629056751 = 269191929579
BaseRepresentation
bin110000000101010101…
…001110001011101111
311221021010011211101002
4300011111032023233
51321214014304001
635415033510515
73505262512226
oct600525161357
9157233154332
1051629056751
111a994290548
12a00a57243b
134b3a40a32c
1426dac29cbd
1515228d346b
hexc0554e2ef

51629056751 has 4 divisors (see below), whose sum is σ = 51820986600. Its totient is φ = 51437126904.

The previous prime is 51629056711. The next prime is 51629056753. The reversal of 51629056751 is 15765092615.

51629056751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51629056751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51629056696 and 51629056705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51629056753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95964521 + ... + 95965058.

It is an arithmetic number, because the mean of its divisors is an integer number (12955246650).

Almost surely, 251629056751 is an apocalyptic number.

51629056751 is a deficient number, since it is larger than the sum of its proper divisors (191929849).

51629056751 is a wasteful number, since it uses less digits than its factorization.

51629056751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191929848.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 51629056751 in words is "fifty-one billion, six hundred twenty-nine million, fifty-six thousand, seven hundred fifty-one".

Divisors: 1 269 191929579 51629056751