Search a number
-
+
268010143 = 1914105797
BaseRepresentation
bin11111111100110…
…00001010011111
3200200022022210121
433332120022133
51022102311033
642332215411
76433022452
oct1776301237
9620268717
10268010143
11128314a95
127590a567
13436aa1ab
1427847499
15187e062d
hexff9829f

268010143 has 4 divisors (see below), whose sum is σ = 282115960. Its totient is φ = 253904328.

The previous prime is 268010131. The next prime is 268010177. The reversal of 268010143 is 341010862.

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

It is a cyclic number.

It is not a de Polignac number, because 268010143 - 29 = 268009631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268010243) 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, 7052880 + ... + 7052917.

It is an arithmetic number, because the mean of its divisors is an integer number (70528990).

Almost surely, 2268010143 is an apocalyptic number.

268010143 is a deficient number, since it is larger than the sum of its proper divisors (14105817).

268010143 is a wasteful number, since it uses less digits than its factorization.

268010143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105816.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 268010143 is about 16371.0153319823. The cubic root of 268010143 is about 644.7387063333.

The spelling of 268010143 in words is "two hundred sixty-eight million, ten thousand, one hundred forty-three".

Divisors: 1 19 14105797 268010143