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13775157396 = 2232711213193159
BaseRepresentation
bin11001101010001000…
…00011100010010100
31022120000101111111200
430311010003202110
5211202420014041
610154521232500
7665234622510
oct146504034224
938500344450
1013775157396
115929798700
122805332730
1313b6b67210
149496a9140
1555951d1b6
hex335103894

13775157396 has 864 divisors, whose sum is σ = 52052582400. Its totient is φ = 2976652800.

The previous prime is 13775157379. The next prime is 13775157421. The reversal of 13775157396 is 69375157731.

13775157396 is a `hidden beast` number, since 1 + 37 + 7 + 515 + 7 + 3 + 96 = 666.

It is a super-2 number, since 2×137751573962 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 287 ways as a sum of consecutive naturals, for example, 233477215 + ... + 233477273.

Almost surely, 213775157396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13775157396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26026291200).

13775157396 is an abundant number, since it is smaller than the sum of its proper divisors (38277425004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13775157396 is a wasteful number, since it uses less digits than its factorization.

13775157396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 145 counting only the distinct ones).

The product of its digits is 4167450, while the sum is 54.

It can be divided in two parts, 13775 and 157396, that added together give a palindrome (171171).

The spelling of 13775157396 in words is "thirteen billion, seven hundred seventy-five million, one hundred fifty-seven thousand, three hundred ninety-six".