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1312542030023 = 7239784543951
BaseRepresentation
bin10011000110011001100…
…110011111100011000111
311122110220022101120222122
4103012121212133203013
5133001041224430043
62442550134520155
7163554005113520
oct23063146374307
94573808346878
101312542030023
11466711837a64
1219246780605b
1396a0663b893
144775517d847
1524220062368
hex1319999f8c7

1312542030023 has 8 divisors (see below), whose sum is σ = 1506324387840. Its totient is φ = 1120328760600.

The previous prime is 1312542030017. The next prime is 1312542030043. The reversal of 1312542030023 is 3200302452131.

It is a happy number.

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

It is not a de Polignac number, because 1312542030023 - 26 = 1312542029959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312542029974 and 1312542030001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312542030043) 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, 392270303 + ... + 392273648.

It is an arithmetic number, because the mean of its divisors is an integer number (188290548480).

Almost surely, 21312542030023 is an apocalyptic number.

1312542030023 is a deficient number, since it is larger than the sum of its proper divisors (193782357817).

1312542030023 is an equidigital number, since it uses as much as digits as its factorization.

1312542030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784544197.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1312542030023 its reverse (3200302452131), we get a palindrome (4512844482154).

The spelling of 1312542030023 in words is "one trillion, three hundred twelve billion, five hundred forty-two million, thirty thousand, twenty-three".

Divisors: 1 7 239 1673 784543951 5491807657 187506004289 1312542030023