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128342059454 = 2731295719031
BaseRepresentation
bin111011110000111001…
…0000110100110111110
3110021021101020010202102
41313201302012212332
54100321031400304
6134543131425102
712162302335310
oct1674162064676
9407241203672
10128342059454
114a47a823934
1220a595b5192
13c14456331b
1462d72117b0
15351251bd1e
hex1de1c869be

128342059454 has 16 divisors (see below), whose sum is σ = 227112216576. Its totient is φ = 53229425400.

The previous prime is 128342059429. The next prime is 128342059471. The reversal of 128342059454 is 454950243821.

It is a junction number, because it is equal to n+sod(n) for n = 128342059399 and 128342059408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147859082 + ... + 147859949.

It is an arithmetic number, because the mean of its divisors is an integer number (14194513536).

Almost surely, 2128342059454 is an apocalyptic number.

128342059454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128342059454 is a deficient number, since it is larger than the sum of its proper divisors (98770157122).

128342059454 is a wasteful number, since it uses less digits than its factorization.

128342059454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295719071.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 128342059454 in words is "one hundred twenty-eight billion, three hundred forty-two million, fifty-nine thousand, four hundred fifty-four".

Divisors: 1 2 7 14 31 62 217 434 295719031 591438062 2070033217 4140066434 9167289961 18334579922 64171029727 128342059454