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143231303144 = 23269563118219
BaseRepresentation
bin1000010101100101000…
…0000011110111101000
3111200201000222002100102
42011121100003313220
54321314203200034
6145444411524532
713230255663116
oct2053120036750
9450630862312
10143231303144
1155820378006
1223913a59748
13106781709a7
146d0a844ab6
153ad475497e
hex2159403de8

143231303144 has 32 divisors (see below), whose sum is σ = 270038124000. Its totient is φ = 71222089152.

The previous prime is 143231303119. The next prime is 143231303191. The reversal of 143231303144 is 441303132341.

It is a happy number.

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, 1152467 + ... + 1270685.

It is an arithmetic number, because the mean of its divisors is an integer number (8438691375).

Almost surely, 2143231303144 is an apocalyptic number.

It is an amenable number.

143231303144 is a deficient number, since it is larger than the sum of its proper divisors (126806820856).

143231303144 is a wasteful number, since it uses less digits than its factorization.

143231303144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119057 (or 119053 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 143231303144 its reverse (441303132341), we get a palindrome (584534435485).

The spelling of 143231303144 in words is "one hundred forty-three billion, two hundred thirty-one million, three hundred three thousand, one hundred forty-four".

Divisors: 1 2 4 8 269 538 563 1076 1126 2152 2252 4504 118219 151447 236438 302894 472876 605788 945752 1211576 31800911 63601822 66557297 127203644 133114594 254407288 266229188 532458376 17903912893 35807825786 71615651572 143231303144