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128633425450043 = 4491655231730809
BaseRepresentation
bin11101001111110111001101…
…101000010101010000111011
3121212110020100120220021202012
4131033313031220111100323
5113330012223403400133
61133325214014400135
736044313124533203
oct3517671550252073
9555406316807665
10128633425450043
1137a94147222318
1212516029b0004b
1356a110690a227
1423a9c68d11403
15ed10b5b45b48
hex74fdcda1543b

128633425450043 has 8 divisors (see below), whose sum is σ = 128920767498000. Its totient is φ = 128346087195648.

The previous prime is 128633425450021. The next prime is 128633425450067. The reversal of 128633425450043 is 340054524336821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128633425450043 - 220 = 128633424401467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128633425449973 and 128633425450000.

It is not an unprimeable number, because it can be changed into a prime (128633425440043) 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, 73454423 + ... + 75185231.

It is an arithmetic number, because the mean of its divisors is an integer number (16115095937250).

Almost surely, 2128633425450043 is an apocalyptic number.

128633425450043 is a deficient number, since it is larger than the sum of its proper divisors (287342047957).

128633425450043 is a wasteful number, since it uses less digits than its factorization.

128633425450043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896781.

The product of its (nonzero) digits is 8294400, while the sum is 50.

Adding to 128633425450043 its reverse (340054524336821), we get a palindrome (468687949786864).

The spelling of 128633425450043 in words is "one hundred twenty-eight trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred fifty thousand, forty-three".

Divisors: 1 449 165523 1730809 74319827 777133241 286488698107 128633425450043