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128633425450042 = 2105161195730471
BaseRepresentation
bin11101001111110111001101…
…101000010101010000111010
3121212110020100120220021202011
4131033313031220111100322
5113330012223403400132
61133325214014400134
736044313124533202
oct3517671550252072
9555406316807664
10128633425450042
1137a94147222317
1212516029b0004a
1356a110690a226
1423a9c68d11402
15ed10b5b45b47
hex74fdcda1543a

128633425450042 has 8 divisors (see below), whose sum is σ = 193133725369632. Its totient is φ = 64255516993500.

The previous prime is 128633425450021. The next prime is 128633425450067. The reversal of 128633425450042 is 240054524336821.

128633425450042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30597863134 + ... + 30597867337.

It is an arithmetic number, because the mean of its divisors is an integer number (24141715671204).

Almost surely, 2128633425450042 is an apocalyptic number.

128633425450042 is a deficient number, since it is larger than the sum of its proper divisors (64500299919590).

128633425450042 is a wasteful number, since it uses less digits than its factorization.

128633425450042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61195731524.

The product of its (nonzero) digits is 5529600, while the sum is 49.

Adding to 128633425450042 its reverse (240054524336821), we get a palindrome (368687949786863).

The spelling of 128633425450042 in words is "one hundred twenty-eight trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred fifty thousand, forty-two".

Divisors: 1 2 1051 2102 61195730471 122391460942 64316712725021 128633425450042