Search a number
-
+
54862845081 = 3111662510457
BaseRepresentation
bin110011000110000101…
…001001010010011001
312020121111010022000020
4303012011021102121
51344324342020311
641111553101053
73651360326442
oct630605112231
9166544108006
1054862845081
11212a3711590
12a771557789
135234379255
1429264cc2c9
151661757c06
hexcc6149499

54862845081 has 8 divisors (see below), whose sum is σ = 79800501984. Its totient is φ = 33250209120.

The previous prime is 54862845073. The next prime is 54862845091. The reversal of 54862845081 is 18054826845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54862845081 - 23 = 54862845073 is a prime.

It is a super-2 number, since 2×548628450812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54862845071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831255196 + ... + 831255261.

It is an arithmetic number, because the mean of its divisors is an integer number (9975062748).

Almost surely, 254862845081 is an apocalyptic number.

It is an amenable number.

54862845081 is a deficient number, since it is larger than the sum of its proper divisors (24937656903).

54862845081 is a wasteful number, since it uses less digits than its factorization.

54862845081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662510471.

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 54862845081 in words is "fifty-four billion, eight hundred sixty-two million, eight hundred forty-five thousand, eighty-one".

Divisors: 1 3 11 33 1662510457 4987531371 18287615027 54862845081