Search a number
-
+
2018255848047 = 322931724393631
BaseRepresentation
bin11101010111101001011…
…011000100001001101111
321010221110201110000112100
4131113221123010021233
5231031341444114142
64143101323110143
7265546155436605
oct35275133041157
97127421400470
102018255848047
11708a348a070a
12287199972353
131184227a411a
146d981279875
1537775a72b4c
hex1d5e96c426f

2018255848047 has 24 divisors (see below), whose sum is σ = 3025298240640. Its totient is φ = 1295009029440.

The previous prime is 2018255848033. The next prime is 2018255848051. The reversal of 2018255848047 is 7408485528102.

2018255848047 is a `hidden beast` number, since 2 + 0 + 1 + 8 + 2 + 558 + 4 + 80 + 4 + 7 = 666.

It is not a de Polignac number, because 2018255848047 - 27 = 2018255847919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2018255847984 and 2018255848002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018255848447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12114079 + ... + 12279552.

It is an arithmetic number, because the mean of its divisors is an integer number (126054093360).

Almost surely, 22018255848047 is an apocalyptic number.

2018255848047 is a deficient number, since it is larger than the sum of its proper divisors (1007042392593).

2018255848047 is a wasteful number, since it uses less digits than its factorization.

2018255848047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24393983 (or 24393980 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 54.

The spelling of 2018255848047 in words is "two trillion, eighteen billion, two hundred fifty-five million, eight hundred forty-eight thousand, forty-seven".

Divisors: 1 3 9 29 87 261 317 951 2853 9193 27579 82737 24393631 73180893 219542679 707415299 2122245897 6366737691 7732781027 23198343081 69595029243 224250649783 672751949349 2018255848047