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6994724143 = 112327647131
BaseRepresentation
bin1101000001110101…
…10000010100101111
3200001110210210200011
412200322300110233
5103311122133033
63114025114051
7335223113521
oct64072602457
920043723604
106994724143
112a6a380860
121432628927
138761a9734
144a4d85a11
152ae125ccd
hex1a0eb052f

6994724143 has 8 divisors (see below), whose sum is σ = 7962374016. Its totient is φ = 6082368600.

The previous prime is 6994724101. The next prime is 6994724161. The reversal of 6994724143 is 3414274996.

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

It is not a de Polignac number, because 6994724143 - 213 = 6994715951 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 (6994724183) 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, 13823313 + ... + 13823818.

It is an arithmetic number, because the mean of its divisors is an integer number (995296752).

Almost surely, 26994724143 is an apocalyptic number.

6994724143 is a deficient number, since it is larger than the sum of its proper divisors (967649873).

6994724143 is a wasteful number, since it uses less digits than its factorization.

6994724143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27647165.

The product of its digits is 1306368, while the sum is 49.

The square root of 6994724143 is about 83634.4674341865. The cubic root of 6994724143 is about 1912.4504738225.

It can be divided in two parts, 6994 and 724143, that added together give a palindrome (731137).

The spelling of 6994724143 in words is "six billion, nine hundred ninety-four million, seven hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 11 23 253 27647131 304118441 635884013 6994724143