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315145244434 = 21055914923063
BaseRepresentation
bin1001001011000000001…
…11101100111100010010
31010010110000101011100011
410211200013230330102
520130404140310214
6400435320145134
731524410244046
oct4454007547422
91103400334304
10315145244434
1111171a302639
12510b16081aa
13239447a00c7
1411378774026
1582e7113ac4
hex49601ecf12

315145244434 has 8 divisors (see below), whose sum is σ = 472762667520. Its totient is φ = 157557688596.

The previous prime is 315145244431. The next prime is 315145244501. The reversal of 315145244434 is 434442541513.

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

It is not an unprimeable number, because it can be changed into a prime (315145244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7440414 + ... + 7482649.

It is an arithmetic number, because the mean of its divisors is an integer number (59095333440).

Almost surely, 2315145244434 is an apocalyptic number.

315145244434 is a deficient number, since it is larger than the sum of its proper divisors (157617423086).

315145244434 is a wasteful number, since it uses less digits than its factorization.

315145244434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933624.

The product of its digits is 460800, while the sum is 40.

Adding to 315145244434 its reverse (434442541513), we get a palindrome (749587785947).

The spelling of 315145244434 in words is "three hundred fifteen billion, one hundred forty-five million, two hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 10559 21118 14923063 29846126 157572622217 315145244434