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143942763147 = 379983617857
BaseRepresentation
bin1000011000001110101…
…0000100001010001011
3111202112121200222222220
42012003222010022023
54324243321410042
6150043144545123
713254015204411
oct2060352041213
9452477628886
10143942763147
1156055a34487
1223a921821a3
131075c693341
146d771232b1
153b26e3c8ec
hex2183a8428b

143942763147 has 16 divisors (see below), whose sum is σ = 194551127040. Its totient is φ = 94650596352.

The previous prime is 143942763143. The next prime is 143942763149. The reversal of 143942763147 is 741367249341.

It is not a de Polignac number, because 143942763147 - 22 = 143942763143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143942763147.

It is not an unprimeable number, because it can be changed into a prime (143942763143) 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, 75958 + ... + 541899.

It is an arithmetic number, because the mean of its divisors is an integer number (12159445440).

Almost surely, 2143942763147 is an apocalyptic number.

143942763147 is a deficient number, since it is larger than the sum of its proper divisors (50608363893).

143942763147 is an equidigital number, since it uses as much as digits as its factorization.

143942763147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618922.

The product of its digits is 3048192, while the sum is 51.

The spelling of 143942763147 in words is "one hundred forty-three billion, nine hundred forty-two million, seven hundred sixty-three thousand, one hundred forty-seven".

Divisors: 1 3 79 237 983 2949 77657 232971 617857 1853571 48810703 146432109 607353431 1822060293 47980921049 143942763147