Search a number
-
+
144342434121231 = 3431216192009999
BaseRepresentation
bin100000110100011101010111…
…100000110000011000001111
3200221002000001102010222101010
4200310131113200300120033
5122404401301113334411
61230553555424420303
742255253035223653
oct4064352740603017
9627060042128333
10144342434121231
1141aa0312075495
1214232645177693
1362705827919b8
1427902d531ca63
1511a4a281a37a6
hex83475783060f

144342434121231 has 16 divisors (see below), whose sum is σ = 196948509120000. Its totient is φ = 93982692357120.

The previous prime is 144342434121169. The next prime is 144342434121253. The reversal of 144342434121231 is 132121434243441.

It is not a de Polignac number, because 144342434121231 - 217 = 144342433990159 is a prime.

It is a super-2 number, since 2×1443424341212312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144342434121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144342434121931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44436231 + ... + 47573768.

It is an arithmetic number, because the mean of its divisors is an integer number (12309281820000).

Almost surely, 2144342434121231 is an apocalyptic number.

144342434121231 is a deficient number, since it is larger than the sum of its proper divisors (52606074998769).

144342434121231 is a wasteful number, since it uses less digits than its factorization.

144342434121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92022206.

The product of its digits is 221184, while the sum is 39.

Adding to 144342434121231 its reverse (132121434243441), we get a palindrome (276463868364672).

The spelling of 144342434121231 in words is "one hundred forty-four trillion, three hundred forty-two billion, four hundred thirty-four million, one hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 43 129 12161 36483 522923 1568769 92009999 276029997 3956429957 11869289871 1118933597839 3356800793517 48114144707077 144342434121231