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16930144218 = 23131911423849
BaseRepresentation
bin11111100010001110…
…10111111111011010
31121200220001102210110
433301013113333122
5234133104103333
611435543425150
71136354565021
oct176107277732
947626042713
1016930144218
1171a8696a29
123345a551b6
13179a6a5420
14b686d78b8
156914c9063
hex3f11d7fda

16930144218 has 32 divisors (see below), whose sum is σ = 38384136000. Its totient is φ = 4935102336.

The previous prime is 16930144181. The next prime is 16930144219. The reversal of 16930144218 is 81244103961.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (16930144219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5710443 + ... + 5713406.

It is an arithmetic number, because the mean of its divisors is an integer number (1199504250).

Almost surely, 216930144218 is an apocalyptic number.

16930144218 is an abundant number, since it is smaller than the sum of its proper divisors (21453991782).

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

16930144218 is a wasteful number, since it uses less digits than its factorization.

16930144218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11423886.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 16930144218 in words is "sixteen billion, nine hundred thirty million, one hundred forty-four thousand, two hundred eighteen".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 11423849 22847698 34271547 68543094 148510037 217053131 297020074 434106262 445530111 651159393 891060222 1302318786 2821690703 5643381406 8465072109 16930144218