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164443306351352 = 23723771235375521
BaseRepresentation
bin100101011000111101110000…
…110111000101101011111000
3210120020121220202111201001212
4211120331300313011223320
5133023214342411220402
61341424113444502252
746431431300123210
oct4530756067055370
9716217822451055
10164443306351352
1148440018452a66
121653a26a6aa988
13709ac251a7962
142c871543a9240
151402833b17952
hex958f70dc5af8

164443306351352 has 32 divisors (see below), whose sum is σ = 352526758957920. Its totient is φ = 70446053652480.

The previous prime is 164443306351351. The next prime is 164443306351369. The reversal of 164443306351352 is 253153603344461.

It is a self number, because there is not a number n which added to its sum of digits gives 164443306351352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164443306351351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617554649 + ... + 617820872.

It is an arithmetic number, because the mean of its divisors is an integer number (11016461217435).

Almost surely, 2164443306351352 is an apocalyptic number.

It is an amenable number.

164443306351352 is an abundant number, since it is smaller than the sum of its proper divisors (188083452606568).

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

164443306351352 is a wasteful number, since it uses less digits than its factorization.

164443306351352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235377911 (or 1235377907 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 164443306351352 in words is "one hundred sixty-four trillion, four hundred forty-three billion, three hundred six million, three hundred fifty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 2377 4754 9508 16639 19016 33278 66556 133112 1235375521 2470751042 4941502084 8647628647 9883004168 17295257294 34590514588 69181029176 2936487613417 5872975226834 11745950453668 20555413293919 23491900907336 41110826587838 82221653175676 164443306351352