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128753265070 = 2559659331147
BaseRepresentation
bin111011111101001001…
…0101110100110101110
3110022100000222112211001
41313322102232212232
54102141313440240
6135052021150514
712205424460433
oct1677222564656
9408300875731
10128753265070
114a670952791
1220b5325b43a
13c1ab7c9161
146335a91b8a
15353869589a
hex1dfa4ae9ae

128753265070 has 32 divisors (see below), whose sum is σ = 236042294400. Its totient is φ = 50551423776.

The previous prime is 128753264993. The next prime is 128753265071. The reversal of 128753265070 is 70562357821.

It is a self number, because there is not a number n which added to its sum of digits gives 128753265070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128753265071) 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, 223237 + ... + 554383.

It is an arithmetic number, because the mean of its divisors is an integer number (7376321700).

Almost surely, 2128753265070 is an apocalyptic number.

128753265070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128753265070 is a deficient number, since it is larger than the sum of its proper divisors (107289029330).

128753265070 is a wasteful number, since it uses less digits than its factorization.

128753265070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331872.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 128753265070 in words is "one hundred twenty-eight billion, seven hundred fifty-three million, two hundred sixty-five thousand, seventy".

Divisors: 1 2 5 10 59 118 295 590 659 1318 3295 6590 38881 77762 194405 331147 388810 662294 1655735 3311470 19537673 39075346 97688365 195376730 218225873 436451746 1091129365 2182258730 12875326507 25750653014 64376632535 128753265070