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1393116143 = 47172317203
BaseRepresentation
bin101001100001001…
…0100001111101111
310121002101122002012
41103002110033233
510323114204033
6350123151435
746344202046
oct12302241757
93532348065
101393116143
11655417861
1232a67557b
1319280b3a3
14d303d55d
1582485248
hex530943ef

1393116143 has 8 divisors (see below), whose sum is σ = 1423665408. Its totient is φ = 1362604824.

The previous prime is 1393116133. The next prime is 1393116167. The reversal of 1393116143 is 3416113931.

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

It is not a de Polignac number, because 1393116143 - 26 = 1393116079 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 (1393116113) 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, 72380 + ... + 89582.

It is an arithmetic number, because the mean of its divisors is an integer number (177958176).

Almost surely, 21393116143 is an apocalyptic number.

1393116143 is a deficient number, since it is larger than the sum of its proper divisors (30549265).

1393116143 is a wasteful number, since it uses less digits than its factorization.

1393116143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18973.

The product of its digits is 5832, while the sum is 32.

The square root of 1393116143 is about 37324.4711014101. The cubic root of 1393116143 is about 1116.8523822795.

The spelling of 1393116143 in words is "one billion, three hundred ninety-three million, one hundred sixteen thousand, one hundred forty-three".

Divisors: 1 47 1723 17203 80981 808541 29640769 1393116143