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1312302401 = 6737352511
BaseRepresentation
bin100111000111000…
…0010010101000001
310101110022212110122
41032032002111001
510141422134101
6334115110025
744343246344
oct11616022501
93343285418
101312302401
11613840243
123075a2315
1317bb547c7
14c640445b
157a32051b
hex4e382541

1312302401 has 8 divisors (see below), whose sum is σ = 1335485184. Its totient is φ = 1289225520.

The previous prime is 1312302379. The next prime is 1312302449. The reversal of 1312302401 is 1042032131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312302401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312302401.

It is not an unprimeable number, because it can be changed into a prime (1312302701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 51246.

It is an arithmetic number, because the mean of its divisors is an integer number (166935648).

Almost surely, 21312302401 is an apocalyptic number.

It is an amenable number.

1312302401 is a deficient number, since it is larger than the sum of its proper divisors (23182783).

1312302401 is an equidigital number, since it uses as much as digits as its factorization.

1312302401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52951.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312302401 is about 36225.7146375334. The cubic root of 1312302401 is about 1094.8248369063.

Adding to 1312302401 its reverse (1042032131), we get a palindrome (2354334532).

The spelling of 1312302401 in words is "one billion, three hundred twelve million, three hundred two thousand, four hundred one".

Divisors: 1 67 373 24991 52511 3518237 19586603 1312302401