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2143044223144 = 231164737639529
BaseRepresentation
bin11111001011110111011…
…000111100000010101000
321120212120102210021210121
4133023313120330002220
5240102423310120034
64320300111053024
7310554430224346
oct37136730740250
97525512707717
102143044223144
1175695065a920
122a7405211174
1312711ba22726
1475a1c516996
153ab2b0cb1b4
hex1f2f763c0a8

2143044223144 has 32 divisors (see below), whose sum is σ = 4390274779200. Its totient is φ = 972605403520.

The previous prime is 2143044223051. The next prime is 2143044223157. The reversal of 2143044223144 is 4413224403412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18762829 + ... + 18876700.

It is an arithmetic number, because the mean of its divisors is an integer number (137196086850).

Almost surely, 22143044223144 is an apocalyptic number.

It is an amenable number.

2143044223144 is an abundant number, since it is smaller than the sum of its proper divisors (2247230556056).

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

2143044223144 is a wasteful number, since it uses less digits than its factorization.

2143044223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37640193 (or 37640189 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 2143044223144 its reverse (4413224403412), we get a palindrome (6556268626556).

The spelling of 2143044223144 in words is "two trillion, one hundred forty-three billion, forty-four million, two hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 647 1294 2588 5176 7117 14234 28468 56936 37639529 75279058 150558116 301116232 414034819 828069638 1656139276 3312278552 24352775263 48705550526 97411101052 194822202104 267880527893 535761055786 1071522111572 2143044223144