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1312414257 = 37115681447
BaseRepresentation
bin100111000111001…
…1101101000110001
310101110112112220110
41032032131220301
510141434224012
6334121331533
744344223430
oct11616355061
93343475813
101312414257
11613907290
12307636ba9
1317bb936ab
14c6433117
157a34373c
hex4e39da31

1312414257 has 16 divisors (see below), whose sum is σ = 2181676032. Its totient is φ = 681773520.

The previous prime is 1312414241. The next prime is 1312414261. The reversal of 1312414257 is 7524142131.

1312414257 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1312414257 - 24 = 1312414241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312414277) 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, 2840493 + ... + 2840954.

It is an arithmetic number, because the mean of its divisors is an integer number (136354752).

Almost surely, 21312414257 is an apocalyptic number.

It is an amenable number.

1312414257 is a deficient number, since it is larger than the sum of its proper divisors (869261775).

1312414257 is a wasteful number, since it uses less digits than its factorization.

1312414257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681468.

The product of its digits is 6720, while the sum is 30.

The square root of 1312414257 is about 36227.2584803211. The cubic root of 1312414257 is about 1094.8559423506.

Adding to 1312414257 its reverse (7524142131), we get a palindrome (8836556388).

The spelling of 1312414257 in words is "one billion, three hundred twelve million, four hundred fourteen thousand, two hundred fifty-seven".

Divisors: 1 3 7 11 21 33 77 231 5681447 17044341 39770129 62495917 119310387 187487751 437471419 1312414257