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143142515120 = 24511162661949
BaseRepresentation
bin1000010101001111110…
…1010111000110110000
3111200110211220012002002
42011103331113012300
54321123440440440
6145431520513132
713225130205653
oct2052375270660
9450424805062
10143142515120
1155785244280
12238aa17b7a8
13106629545b7
146cdcb3189a
153acba67115
hex2153f571b0

143142515120 has 40 divisors (see below), whose sum is σ = 363061472400. Its totient is φ = 52051823360.

The previous prime is 143142515071. The next prime is 143142515123. The reversal of 143142515120 is 21515241341.

It is a happy number.

143142515120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1431425151202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143142515123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81330095 + ... + 81331854.

It is an arithmetic number, because the mean of its divisors is an integer number (9076536810).

Almost surely, 2143142515120 is an apocalyptic number.

143142515120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143142515120 is an abundant number, since it is smaller than the sum of its proper divisors (219918957280).

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

143142515120 is a wasteful number, since it uses less digits than its factorization.

143142515120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162661973 (or 162661967 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 143142515120 its reverse (21515241341), we get a palindrome (164657756461).

The spelling of 143142515120 in words is "one hundred forty-three billion, one hundred forty-two million, five hundred fifteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 162661949 325323898 650647796 813309745 1301295592 1626619490 1789281439 2602591184 3253238980 3578562878 6506477960 7157125756 8946407195 13012955920 14314251512 17892814390 28628503024 35785628780 71571257560 143142515120