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144442433133021 = 3255411885105427
BaseRepresentation
bin100000110101111010011111…
…111010101101100111011101
3200221102120011111221010001110
4200311322133322231213131
5122413021100340224041
61231111534314332233
742265423100625252
oct4065723772554735
9627376144833043
10144442433133021
1142029767996091
1214249ab272a079
136279b2b0166aa
1427950a01a3429
1511a742c295516
hex835e9fead9dd

144442433133021 has 8 divisors (see below), whose sum is σ = 192597451367904. Its totient is φ = 96291185160080.

The previous prime is 144442433132989. The next prime is 144442433133059. The reversal of 144442433133021 is 120331334244441.

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 144442433133021 - 25 = 144442433132989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442433113021) 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, 942476091 + ... + 942629336.

It is an arithmetic number, because the mean of its divisors is an integer number (24074681420988).

Almost surely, 2144442433133021 is an apocalyptic number.

It is an amenable number.

144442433133021 is a deficient number, since it is larger than the sum of its proper divisors (48155018234883).

144442433133021 is a wasteful number, since it uses less digits than its factorization.

144442433133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885130971.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 144442433133021 its reverse (120331334244441), we get a palindrome (264773767377462).

The spelling of 144442433133021 in words is "one hundred forty-four trillion, four hundred forty-two billion, four hundred thirty-three million, one hundred thirty-three thousand, twenty-one".

Divisors: 1 3 25541 76623 1885105427 5655316281 48147477711007 144442433133021