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144420111134 = 213471123105239
BaseRepresentation
bin1000011010000000011…
…1000000001100011110
3111210202212220210022222
42012200013000030132
54331233022024014
6150202400105342
713301602455455
oct2064007001436
9453685823288
10144420111134
115628042a052
1223ba6005252
1310807546b80
146dc069db9c
153b53cce08e
hex21a01c031e

144420111134 has 32 divisors (see below), whose sum is σ = 238472156160. Its totient is φ = 65178523872.

The previous prime is 144420111109. The next prime is 144420111161. The reversal of 144420111134 is 431111024441.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319687 + ... + 1424925.

It is an arithmetic number, because the mean of its divisors is an integer number (7452254880).

Almost surely, 2144420111134 is an apocalyptic number.

144420111134 is a deficient number, since it is larger than the sum of its proper divisors (94052045026).

144420111134 is a wasteful number, since it uses less digits than its factorization.

144420111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106424.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 144420111134 its reverse (431111024441), we get a palindrome (575531135575).

The spelling of 144420111134 in words is "one hundred forty-four billion, four hundred twenty million, one hundred eleven thousand, one hundred thirty-four".

Divisors: 1 2 13 26 47 94 611 1123 1222 2246 14599 29198 52781 105239 105562 210478 686153 1368107 1372306 2736214 4946233 9892466 64301029 118183397 128602058 236366794 1536384161 3072768322 5554619659 11109239318 72210055567 144420111134