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315034350421 = 7379118746457
BaseRepresentation
bin1001001010110011000…
…00101011001101010101
31010010011021201011100111
410211121200223031111
520130142243203141
6400420315243021
731521562536640
oct4453140531525
91103137634314
10315034350421
1111167275029a
1251080449471
1323927813b4b
1411367b48a57
1582dc50b381
hex495982b355

315034350421 has 8 divisors (see below), whose sum is σ = 360989232320. Its totient is φ = 269316962208.

The previous prime is 315034350403. The next prime is 315034350437. The reversal of 315034350421 is 124053430513.

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

It is a de Polignac number, because none of the positive numbers 2k-315034350421 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 (315034350451) 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, 59370576 + ... + 59375881.

It is an arithmetic number, because the mean of its divisors is an integer number (45123654040).

Almost surely, 2315034350421 is an apocalyptic number.

It is an amenable number.

315034350421 is a deficient number, since it is larger than the sum of its proper divisors (45954881899).

315034350421 is a wasteful number, since it uses less digits than its factorization.

315034350421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118746843.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 315034350421 its reverse (124053430513), we get a palindrome (439087780934).

The spelling of 315034350421 in words is "three hundred fifteen billion, thirty-four million, three hundred fifty thousand, four hundred twenty-one".

Divisors: 1 7 379 2653 118746457 831225199 45004907203 315034350421