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1393275538201 = 1637851115173
BaseRepresentation
bin10100010001100101101…
…100011000101100011001
311221012021202201202001011
4110101211230120230121
5140311412014210301
62544021214053521
7202442444446111
oct24214554305431
94835252652034
101393275538201
1149798079a648
121a60391aa2a1
13a15017157b1
144b6134d6041
1526397b21a51
hex14465b18b19

1393275538201 has 4 divisors (see below), whose sum is σ = 1394126655012. Its totient is φ = 1392424421392.

The previous prime is 1393275538141. The next prime is 1393275538243. The reversal of 1393275538201 is 1028355723931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207243457600 + 1186032080601 = 455240^2 + 1089051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393275538201 - 217 = 1393275407129 is a prime.

It is a super-3 number, since 3×13932755382013 (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1393275538261) 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, 425555950 + ... + 425559223.

It is an arithmetic number, because the mean of its divisors is an integer number (348531663753).

Almost surely, 21393275538201 is an apocalyptic number.

It is an amenable number.

1393275538201 is a deficient number, since it is larger than the sum of its proper divisors (851116811).

1393275538201 is an equidigital number, since it uses as much as digits as its factorization.

1393275538201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851116810.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 1393275538201 in words is "one trillion, three hundred ninety-three billion, two hundred seventy-five million, five hundred thirty-eight thousand, two hundred one".

Divisors: 1 1637 851115173 1393275538201