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442441420310243 = 3131682778400143
BaseRepresentation
bin110010010011001011110101…
…1101100010000011011100011
32011000112222122022020010021202
41210212113223230100123203
5430442430012044411433
64204554441005311415
7162123223564152224
oct14446275354203343
92130488568203252
10442441420310243
11118a80397383002
124175814056556b
1315cb507c0aa613
147b383c982124b
153623db3c60ee8
hex19265ebb106e3

442441420310243 has 8 divisors (see below), whose sum is σ = 443857661658048. Its totient is φ = 441025196099904.

The previous prime is 442441420310231. The next prime is 442441420310257. The reversal of 442441420310243 is 342013024144244.

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 442441420310243 - 230 = 442440346568419 is a prime.

It is a super-2 number, since 2×4424414203102432 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442441420310197 and 442441420310206.

It is not an unprimeable number, because it can be changed into a prime (442441420310443) 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, 48470630 + ... + 56870772.

It is an arithmetic number, because the mean of its divisors is an integer number (55482207707256).

Almost surely, 2442441420310243 is an apocalyptic number.

442441420310243 is a deficient number, since it is larger than the sum of its proper divisors (1416241347805).

442441420310243 is a wasteful number, since it uses less digits than its factorization.

442441420310243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568733.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 442441420310243 its reverse (342013024144244), we get a palindrome (784454444454487).

The spelling of 442441420310243 in words is "four hundred forty-two trillion, four hundred forty-one billion, four hundred twenty million, three hundred ten thousand, two hundred forty-three".

Divisors: 1 313 168277 8400143 52670701 2629244759 1413550863611 442441420310243