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1315052427 = 313130725799
BaseRepresentation
bin100111001100010…
…0001101110001011
310101122111120210110
41032120201232023
510143123134202
6334254045403
744405522043
oct11630415613
93348446713
101315052427
11615349397
123084a9863
1317c5a8440
14c691c723
157a6b526c
hex4e621b8b

1315052427 has 16 divisors (see below), whose sum is σ = 1889798400. Its totient is φ = 808612512.

The previous prime is 1315052419. The next prime is 1315052429. The reversal of 1315052427 is 7242505131.

It is not a de Polignac number, because 1315052427 - 23 = 1315052419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315052394 and 1315052403.

It is not an unprimeable number, because it can be changed into a prime (1315052429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38074 + ... + 63872.

It is an arithmetic number, because the mean of its divisors is an integer number (118112400).

Almost surely, 21315052427 is an apocalyptic number.

1315052427 is a deficient number, since it is larger than the sum of its proper divisors (574745973).

1315052427 is a wasteful number, since it uses less digits than its factorization.

1315052427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27122.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1315052427 is about 36263.6515949511. The cubic root of 1315052427 is about 1095.5890652565.

Adding to 1315052427 its reverse (7242505131), we get a palindrome (8557557558).

The spelling of 1315052427 in words is "one billion, three hundred fifteen million, fifty-two thousand, four hundred twenty-seven".

Divisors: 1 3 13 39 1307 3921 16991 25799 50973 77397 335387 1006161 33719293 101157879 438350809 1315052427