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1396755361 = 10113829261
BaseRepresentation
bin101001101000000…
…1100101110100001
310121100020112011001
41103100030232201
510330032132421
6350333152001
746420140031
oct12320145641
93540215131
101396755361
11657482a81
1232b92b601
131934b3981
14d37098c1
1582953691
hex5340cba1

1396755361 has 4 divisors (see below), whose sum is σ = 1410584724. Its totient is φ = 1382926000.

The previous prime is 1396755359. The next prime is 1396755383. The reversal of 1396755361 is 1635576931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1635576931 = 10116193831.

It can be written as a sum of positive squares in 2 ways, for example, as 841870225 + 554885136 = 29015^2 + 23556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396755361 - 21 = 1396755359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396755161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6914530 + ... + 6914731.

It is an arithmetic number, because the mean of its divisors is an integer number (352646181).

Almost surely, 21396755361 is an apocalyptic number.

It is an amenable number.

1396755361 is a deficient number, since it is larger than the sum of its proper divisors (13829363).

1396755361 is a wasteful number, since it uses less digits than its factorization.

1396755361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13829362.

The product of its digits is 510300, while the sum is 46.

The square root of 1396755361 is about 37373.1904043527. The cubic root of 1396755361 is about 1117.8240493476.

The spelling of 1396755361 in words is "one billion, three hundred ninety-six million, seven hundred fifty-five thousand, three hundred sixty-one".

Divisors: 1 101 13829261 1396755361