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7042144833844 = 2256931288923993
BaseRepresentation
bin110011001111010000010…
…0010101001000100110100
3220221020000011220100210021
41212132200202221010310
51410334303034140334
622551041111334524
71324530625305001
oct146364042510464
926836004810707
107042144833844
11227561419683a
12958994081444
133c10c0b65833
141a4bad6008a8
15c32b06573b4
hex667a08a9134

7042144833844 has 24 divisors (see below), whose sum is σ = 12327388262280. Its totient is φ = 3520034072064.

The previous prime is 7042144833821. The next prime is 7042144833859. The reversal of 7042144833844 is 4483384412407.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87268249744 + 6954876584100 = 295412^2 + 2637210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7042144833791 and 7042144833800.

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, 293496312 + ... + 293520304.

It is an arithmetic number, because the mean of its divisors is an integer number (513641177595).

Almost surely, 27042144833844 is an apocalyptic number.

It is an amenable number.

7042144833844 is a deficient number, since it is larger than the sum of its proper divisors (5285243428436).

7042144833844 is a wasteful number, since it uses less digits than its factorization.

7042144833844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42579 (or 42577 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 52.

The spelling of 7042144833844 in words is "seven trillion, forty-two billion, one hundred forty-four million, eight hundred thirty-three thousand, eight hundred forty-four".

Divisors: 1 2 4 5693 11386 12889 22772 23993 25778 47986 51556 95972 73377077 136592149 146754154 273184298 293508308 309245777 546368596 618491554 1236983108 1760536208461 3521072416922 7042144833844