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1273386741213 = 3857495288503
BaseRepresentation
bin10010100001111011110…
…000111010110111011101
311111201211111210211101210
4102201323300322313131
5131330344001204323
62412552533055033
7160666465465536
oct22417360726735
94451744724353
101273386741213
11451049688a44
1218695a787479
1393106595232
14458bcc5968d
15231cc7d5293
hex1287bc3addd

1273386741213 has 8 divisors (see below), whose sum is σ = 1699830145728. Its totient is φ = 847933915424.

The previous prime is 1273386741113. The next prime is 1273386741271. The reversal of 1273386741213 is 3121476833721.

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

It is a cyclic number.

It is not a de Polignac number, because 1273386741213 - 214 = 1273386724829 is a prime.

It is a super-3 number, since 3×12733867412133 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273386741113) 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, 247641681 + ... + 247646822.

It is an arithmetic number, because the mean of its divisors is an integer number (212478768216).

Almost surely, 21273386741213 is an apocalyptic number.

It is an amenable number.

1273386741213 is a deficient number, since it is larger than the sum of its proper divisors (426443404515).

1273386741213 is an equidigital number, since it uses as much as digits as its factorization.

1273386741213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495289363.

The product of its digits is 1016064, while the sum is 48.

The spelling of 1273386741213 in words is "one trillion, two hundred seventy-three billion, three hundred eighty-six million, seven hundred forty-one thousand, two hundred thirteen".

Divisors: 1 3 857 2571 495288503 1485865509 424462247071 1273386741213