Search a number
-
+
51883868355 = 3511431729577
BaseRepresentation
bin110000010100100001…
…010000000011000011
311221220212122121011220
4300110201100003003
51322224232241410
635500215210123
73514505414214
oct602441200303
9157825577156
1051883868355
1120005100250
12a07b976943
134b7b145b27
1427229d940b
151539e68070
hexc148500c3

51883868355 has 32 divisors (see below), whose sum is σ = 90771176448. Its totient is φ = 25097414400.

The previous prime is 51883868329. The next prime is 51883868411. The reversal of 51883868355 is 55386838815.

It is a happy number.

It is not a de Polignac number, because 51883868355 - 27 = 51883868227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293674 + ... + 435903.

It is an arithmetic number, because the mean of its divisors is an integer number (2836599264).

Almost surely, 251883868355 is an apocalyptic number.

51883868355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51883868355 is a deficient number, since it is larger than the sum of its proper divisors (38887308093).

51883868355 is a wasteful number, since it uses less digits than its factorization.

51883868355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730027.

The product of its digits is 27648000, while the sum is 60.

The spelling of 51883868355 in words is "fifty-one billion, eight hundred eighty-three million, eight hundred sixty-eight thousand, three hundred fifty-five".

Divisors: 1 3 5 11 15 33 55 165 431 1293 2155 4741 6465 14223 23705 71115 729577 2188731 3647885 8025347 10943655 24076041 40126735 120380205 314447687 943343061 1572238435 3458924557 4716715305 10376773671 17294622785 51883868355