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315142151451 = 3105047383817
BaseRepresentation
bin1001001010111111110…
…11111001110100011011
31010010102210120000120020
410211133323321310123
520130402342321301
6400435130001523
731524342042441
oct4453773716433
91103383500506
10315142151451
1111171858a856
12510b05762a3
1323943c5933a
14113781aab91
1582e6c02436
hex495fef9d1b

315142151451 has 4 divisors (see below), whose sum is σ = 420189535272. Its totient is φ = 210094767632.

The previous prime is 315142151419. The next prime is 315142151501. The reversal of 315142151451 is 154151241513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315142151451 - 25 = 315142151419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315142151351) 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, 52523691906 + ... + 52523691911.

It is an arithmetic number, because the mean of its divisors is an integer number (105047383818).

Almost surely, 2315142151451 is an apocalyptic number.

315142151451 is a deficient number, since it is larger than the sum of its proper divisors (105047383821).

315142151451 is a wasteful number, since it uses less digits than its factorization.

315142151451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105047383820.

The product of its digits is 12000, while the sum is 33.

Adding to 315142151451 its reverse (154151241513), we get a palindrome (469293392964).

The spelling of 315142151451 in words is "three hundred fifteen billion, one hundred forty-two million, one hundred fifty-one thousand, four hundred fifty-one".

Divisors: 1 3 105047383817 315142151451