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315915242230241 = 3122927101159983
BaseRepresentation
bin100011111010100101011111…
…1110010101101000111100001
31112102120012110102000120102222
41013311022333302231013201
5312401423404002331431
63035521243031120425
7123354060130401233
oct10765127762550741
91472505412016388
10315915242230241
11917299a1388a95
122b5225a7513115
13107378aab7b734
145802544b70253
15267ca3171157b
hex11f52bfcad1e1

315915242230241 has 4 divisors (see below), whose sum is σ = 315915346513152. Its totient is φ = 315915137947332.

The previous prime is 315915242230219. The next prime is 315915242230279. The reversal of 315915242230241 is 142032242519513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315915242230241 - 26 = 315915242230177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315915242230192 and 315915242230201.

It is not an unprimeable number, because it can be changed into a prime (315915242230741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47457065 + ... + 53702918.

It is an arithmetic number, because the mean of its divisors is an integer number (78978836628288).

Almost surely, 2315915242230241 is an apocalyptic number.

It is an amenable number.

315915242230241 is a deficient number, since it is larger than the sum of its proper divisors (104282911).

315915242230241 is a wasteful number, since it uses less digits than its factorization.

315915242230241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104282910.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 315915242230241 its reverse (142032242519513), we get a palindrome (457947484749754).

The spelling of 315915242230241 in words is "three hundred fifteen trillion, nine hundred fifteen billion, two hundred forty-two million, two hundred thirty thousand, two hundred forty-one".

Divisors: 1 3122927 101159983 315915242230241