Search a number
-
+
51344510023 = 2371891492371
BaseRepresentation
bin101111110100010111…
…110000110001000111
311220112021202100122101
4233310113300301013
51320123143310043
635330511012531
73465236064022
oct576427606107
9156467670571
1051344510023
111a858701364
129b4b20a147
134ac34902a1
1426b111a1b9
15150792824d
hexbf45f0c47

51344510023 has 32 divisors (see below), whose sum is σ = 55334016000. Its totient is φ = 47534995200.

The previous prime is 51344509991. The next prime is 51344510033. The reversal of 51344510023 is 32001544315.

It is a cyclic number.

It is not a de Polignac number, because 51344510023 - 25 = 51344509991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51344509973 and 51344510000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344510033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21654028 + ... + 21656398.

It is an arithmetic number, because the mean of its divisors is an integer number (1729188000).

Almost surely, 251344510023 is an apocalyptic number.

51344510023 is a deficient number, since it is larger than the sum of its proper divisors (3989505977).

51344510023 is a wasteful number, since it uses less digits than its factorization.

51344510023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 51344510023 in words is "fifty-one billion, three hundred forty-four million, five hundred ten thousand, twenty-three".

Divisors: 1 23 71 89 149 1633 2047 2371 3427 6319 10579 13261 54533 145337 168341 211019 243317 305003 353279 941531 3871843 4853437 8125417 14982349 21655213 25082809 31441831 344594027 576904607 723162113 2232370001 51344510023