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16820000167 = 113148849559
BaseRepresentation
bin11111010101000110…
…01101010110100111
31121102012210112120011
433222203031112213
5233421410001132
611421010551051
71133546433235
oct175243152647
947365715504
1016820000167
1171514a7093
123314b98487
13178091c629
14b57c25955
156869bdb47
hex3ea8cd5a7

16820000167 has 4 divisors (see below), whose sum is σ = 16968849840. Its totient is φ = 16671150496.

The previous prime is 16820000147. The next prime is 16820000189. The reversal of 16820000167 is 76100002861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76100002861 = 162674678183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16820000167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16820000117) 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, 74424667 + ... + 74424892.

It is an arithmetic number, because the mean of its divisors is an integer number (4242212460).

Almost surely, 216820000167 is an apocalyptic number.

16820000167 is a deficient number, since it is larger than the sum of its proper divisors (148849673).

16820000167 is a wasteful number, since it uses less digits than its factorization.

16820000167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148849672.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 16820000167 in words is "sixteen billion, eight hundred twenty million, one hundred sixty-seven", and thus it is an aban number.

Divisors: 1 113 148849559 16820000167