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315340044421 = 977351442243
BaseRepresentation
bin1001001011010111011…
…10110011100010000101
31010010221120221000200111
410211223232303202011
520131304022410141
6400510515313021
731532264103043
oct4455356634205
91103846830614
10315340044421
1111180a263766
12511468ab771
1323975c5657c
14113965a1393
158309292381
hex496bbb3885

315340044421 has 8 divisors (see below), whose sum is σ = 318635033024. Its totient is φ = 312045955200.

The previous prime is 315340044401. The next prime is 315340044431. The reversal of 315340044421 is 124440043513.

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

It is a cyclic number.

It is not a de Polignac number, because 315340044421 - 25 = 315340044389 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 (315340044401) 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, 491926 + ... + 934168.

It is an arithmetic number, because the mean of its divisors is an integer number (39829379128).

Almost surely, 2315340044421 is an apocalyptic number.

It is an amenable number.

315340044421 is a deficient number, since it is larger than the sum of its proper divisors (3294988603).

315340044421 is an equidigital number, since it uses as much as digits as its factorization.

315340044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449691.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 315340044421 its reverse (124440043513), we get a palindrome (439780087934).

The spelling of 315340044421 in words is "three hundred fifteen billion, three hundred forty million, forty-four thousand, four hundred twenty-one".

Divisors: 1 97 7351 442243 713047 42897571 3250928293 315340044421