Search a number
-
+
442140233210 = 251319179004143
BaseRepresentation
bin1100110111100011001…
…11001000110111111010
31120021020111212000111222
412123301213020313322
524221000344430320
6535041051352042
743641434654534
oct6336147106772
91507214760458
10442140233210
111605686a9315
1271833a52622
1332902c27490
1417584ad0854
15b77b243825
hex66f19c8dfa

442140233210 has 32 divisors (see below), whose sum is σ = 902180885760. Its totient is φ = 154659578688.

The previous prime is 442140233209. The next prime is 442140233237. The reversal of 442140233210 is 12332041244.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 442140233210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89499602 + ... + 89504541.

It is an arithmetic number, because the mean of its divisors is an integer number (28193152680).

Almost surely, 2442140233210 is an apocalyptic number.

442140233210 is an abundant number, since it is smaller than the sum of its proper divisors (460040652550).

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

442140233210 is a wasteful number, since it uses less digits than its factorization.

442140233210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179004182.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 442140233210 its reverse (12332041244), we get a palindrome (454472274454).

The spelling of 442140233210 in words is "four hundred forty-two billion, one hundred forty million, two hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 179004143 358008286 895020715 1790041430 2327053859 3401078717 4654107718 6802157434 11635269295 17005393585 23270538590 34010787170 44214023321 88428046642 221070116605 442140233210