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9471442631 = 71514989317
BaseRepresentation
bin10001101001000101…
…01011111011000111
3220110002012010201112
420310202223323013
5123344142131011
64203501515235
7453465635240
oct106442537307
926402163645
109471442631
114020423042
121a03b72b1b
13b7c346c31
1465bc95cc7
153a67a358b
hex2348abec7

9471442631 has 8 divisors (see below), whose sum is σ = 10825341600. Its totient is φ = 8117752608.

The previous prime is 9471442583. The next prime is 9471442637. The reversal of 9471442631 is 1362441749.

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

It is not a de Polignac number, because 9471442631 - 222 = 9467248327 is a prime.

It is a super-2 number, since 2×94714426312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9471442637) 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, 61385 + ... + 150701.

It is an arithmetic number, because the mean of its divisors is an integer number (1353167700).

Almost surely, 29471442631 is an apocalyptic number.

9471442631 is a deficient number, since it is larger than the sum of its proper divisors (1353898969).

9471442631 is a wasteful number, since it uses less digits than its factorization.

9471442631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104473.

The product of its digits is 145152, while the sum is 41.

The square root of 9471442631 is about 97321.3369770473. The cubic root of 9471442631 is about 2115.7874870851.

The spelling of 9471442631 in words is "nine billion, four hundred seventy-one million, four hundred forty-two thousand, six hundred thirty-one".

Divisors: 1 7 15149 89317 106043 625219 1353063233 9471442631