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128744622640110 = 23522718905230931
BaseRepresentation
bin11101010001011110110001…
…011111111100101111101110
3121212211212101010000211011010
4131101132301133330233232
5113333322441343440420
61133452244012210050
736055330524206541
oct3521366137745756
9555755333024133
10128744622640110
113802731912a004
12125336a1769926
1356ab748156609
1423b13b70d2858
15ed3e22dc14e0
hex7517b17fcbee

128744622640110 has 32 divisors (see below), whose sum is σ = 310348270979712. Its totient is φ = 34180657521440.

The previous prime is 128744622640103. The next prime is 128744622640121. The reversal of 128744622640110 is 11046226447821.

It is a self number, because there is not a number n which added to its sum of digits gives 128744622640110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9452608656 + ... + 9452622275.

It is an arithmetic number, because the mean of its divisors is an integer number (9698383468116).

Almost surely, 2128744622640110 is an apocalyptic number.

128744622640110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128744622640110 is an abundant number, since it is smaller than the sum of its proper divisors (181603648339602).

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

128744622640110 is a wasteful number, since it uses less digits than its factorization.

128744622640110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905231168.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 128744622640110 in words is "one hundred twenty-eight trillion, seven hundred forty-four billion, six hundred twenty-two million, six hundred forty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 227 454 681 1135 1362 2270 3405 6810 18905230931 37810461862 56715692793 94526154655 113431385586 189052309310 283578463965 567156927930 4291487421337 8582974842674 12874462264011 21457437106685 25748924528022 42914874213370 64372311320055 128744622640110