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1310412133 = 8571529069
BaseRepresentation
bin100111000011011…
…0100110101100101
310101022202211111201
41032012310311211
510140431142013
6334010402501
744321214352
oct11606646545
93338684451
101310412133
1161276a038
12306a30431
1317b6422c4
14c6071629
157a09a3dd
hex4e1b4d65

1310412133 has 4 divisors (see below), whose sum is σ = 1311942060. Its totient is φ = 1308882208.

The previous prime is 1310412113. The next prime is 1310412137. The reversal of 1310412133 is 3312140131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3312140131 = 7146649861.

It can be written as a sum of positive squares in 2 ways, for example, as 1265011489 + 45400644 = 35567^2 + 6738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310412133 - 221 = 1308314981 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 1310412133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310412137) 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, 763678 + ... + 765391.

It is an arithmetic number, because the mean of its divisors is an integer number (327985515).

Almost surely, 21310412133 is an apocalyptic number.

It is an amenable number.

1310412133 is a deficient number, since it is larger than the sum of its proper divisors (1529927).

1310412133 is an equidigital number, since it uses as much as digits as its factorization.

1310412133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529926.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1310412133 is about 36199.6150946388. The cubic root of 1310412133 is about 1094.2989147292.

Adding to 1310412133 its reverse (3312140131), we get a palindrome (4622552264).

The spelling of 1310412133 in words is "one billion, three hundred ten million, four hundred twelve thousand, one hundred thirty-three".

Divisors: 1 857 1529069 1310412133