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20164425092 = 227720158039
BaseRepresentation
bin10010110001111001…
…001011010110000100
31221001021220221001222
4102301321023112010
5312244043100332
613132521335512
71312456533230
oct226171132604
957037827058
1020164425092
118608324029
123aa9037598
131b947875a6
14d940875c0
157d03e9712
hex4b1e4b584

20164425092 has 12 divisors (see below), whose sum is σ = 40328850240. Its totient is φ = 8641896456.

The previous prime is 20164425091. The next prime is 20164425109. The reversal of 20164425092 is 29052446102.

20164425092 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20164425091) 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, 360078992 + ... + 360079047.

It is an arithmetic number, because the mean of its divisors is an integer number (3360737520).

Almost surely, 220164425092 is an apocalyptic number.

It is an amenable number.

20164425092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20164425092 is a wasteful number, since it uses less digits than its factorization.

20164425092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720158050 (or 720158048 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 20164425092 in words is "twenty billion, one hundred sixty-four million, four hundred twenty-five thousand, ninety-two".

Divisors: 1 2 4 7 14 28 720158039 1440316078 2880632156 5041106273 10082212546 20164425092