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1393815101 = 71901104743
BaseRepresentation
bin101001100010011…
…1110111000111101
310121010201010212112
41103010332320331
510323304040401
6350150143405
746353142610
oct12304767075
93533633775
101393815101
11655854a08
1232a951b65
131929c4583
14d3182177
15825723bb
hex5313ee3d

1393815101 has 8 divisors (see below), whose sum is σ = 1593784704. Its totient is φ = 1194058800.

The previous prime is 1393815089. The next prime is 1393815103. The reversal of 1393815101 is 1015183931.

It is a happy number.

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 1393815101 - 26 = 1393815037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393815103) 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, 39065 + ... + 65678.

It is an arithmetic number, because the mean of its divisors is an integer number (199223088).

Almost surely, 21393815101 is an apocalyptic number.

It is an amenable number.

1393815101 is a deficient number, since it is larger than the sum of its proper divisors (199969603).

1393815101 is a wasteful number, since it uses less digits than its factorization.

1393815101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106651.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1393815101 is about 37333.8331945703. The cubic root of 1393815101 is about 1117.0391344499.

The spelling of 1393815101 in words is "one billion, three hundred ninety-three million, eight hundred fifteen thousand, one hundred one".

Divisors: 1 7 1901 13307 104743 733201 199116443 1393815101