Search a number
-
+
42545022141 = 3295715871459
BaseRepresentation
bin100111100111111000…
…011000010010111101
311001211000222001112210
4213213320120102331
51144113011202031
631313411251033
73034206502266
oct474770302275
9131730861483
1042545022141
1117052612926
1282b42a9a79
13402041641b
1420b85bb96d
151190157746
hex9e7e184bd

42545022141 has 32 divisors (see below), whose sum is σ = 58926067200. Its totient is φ = 27272064960.

The previous prime is 42545022127. The next prime is 42545022181. The reversal of 42545022141 is 14122054524.

It is not a de Polignac number, because 42545022141 - 223 = 42536633533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42545022099 and 42545022108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42545022181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29159670 + ... + 29161128.

It is an arithmetic number, because the mean of its divisors is an integer number (1841439600).

Almost surely, 242545022141 is an apocalyptic number.

It is an amenable number.

42545022141 is a deficient number, since it is larger than the sum of its proper divisors (16381045059).

42545022141 is a wasteful number, since it uses less digits than its factorization.

42545022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 42545022141 its reverse (14122054524), we get a palindrome (56667076665).

The spelling of 42545022141 in words is "forty-two billion, five hundred forty-five million, twenty-two thousand, one hundred forty-one".

Divisors: 1 3 29 87 571 587 1459 1713 1761 4377 16559 17023 42311 49677 51069 126933 335177 833089 856433 1005531 2499267 2569299 9720133 24159581 24836557 29160399 72478743 74509671 489023243 1467069729 14181674047 42545022141