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404442020030430 = 23513481400667681
BaseRepresentation
bin101101111110101100111111…
…0111011111010011111011110
31222001000021112202121220101010
41123331121332323322133132
5411002334224111433210
63552102033220200050
7151121654200126014
oct13375317673723736
91861007482556333
10404442020030430
1110795a996586438
123943b6a6239026
13144899463a5645
1471c31537088b4
1531b56e99d6920
hex16fd67eefa7de

404442020030430 has 16 divisors (see below), whose sum is σ = 970660848073104. Its totient is φ = 107851205341440.

The previous prime is 404442020030429. The next prime is 404442020030471. The reversal of 404442020030430 is 34030020244404.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13481400667681 = 404442020030430 / (4 + 0 + 4 + 4 + 4 + 2 + 0 + 2 + 0 + 0 + 3 + 0 + 4 + 3 + 0).

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, 6740700333811 + ... + 6740700333870.

It is an arithmetic number, because the mean of its divisors is an integer number (60666303004569).

Almost surely, 2404442020030430 is an apocalyptic number.

404442020030430 is an abundant number, since it is smaller than the sum of its proper divisors (566218828042674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404442020030430 is a wasteful number, since it uses less digits than its factorization.

404442020030430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481400667691.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 404442020030430 its reverse (34030020244404), we get a palindrome (438472040274834).

The spelling of 404442020030430 in words is "four hundred four trillion, four hundred forty-two billion, twenty million, thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 13481400667681 26962801335362 40444202003043 67407003338405 80888404006086 134814006676810 202221010015215 404442020030430