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16200023137 = 148911087907
BaseRepresentation
bin11110001011001100…
…01011110001100001
31112211000012102221221
433011212023301201
5231134201220022
611235302415041
71112310632104
oct170546136141
945730172857
1016200023137
116963544181
123181431481
1316b234ac0c
14ad975c73b
1564c356cc7
hex3c598bc61

16200023137 has 4 divisors (see below), whose sum is σ = 16201125936. Its totient is φ = 16198920340.

The previous prime is 16200023101. The next prime is 16200023141. The reversal of 16200023137 is 73132000261.

16200023137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73132000261 = 269212716541.

It is a cyclic number.

It is not a de Polignac number, because 16200023137 - 215 = 16199990369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16200023167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529063 + ... + 558844.

It is an arithmetic number, because the mean of its divisors is an integer number (4050281484).

Almost surely, 216200023137 is an apocalyptic number.

It is an amenable number.

16200023137 is a deficient number, since it is larger than the sum of its proper divisors (1102799).

16200023137 is a wasteful number, since it uses less digits than its factorization.

16200023137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102798.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 16200023137 its reverse (73132000261), we get a palindrome (89332023398).

The spelling of 16200023137 in words is "sixteen billion, two hundred million, twenty-three thousand, one hundred thirty-seven".

Divisors: 1 14891 1087907 16200023137