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143890276609 = 2347891495601
BaseRepresentation
bin1000011000000010000…
…1110110000100000001
3111202101221221102000001
42012000201312010001
54324141402322414
6150034032000001
713252510112422
oct2060041660401
9452357842001
10143890276609
1156029345582
1223a78690001
1310751847211
146d7017d649
153b22521074
hex2180876101

143890276609 has 16 divisors (see below), whose sum is σ = 155064015360. Its totient is φ = 133192153600.

The previous prime is 143890276601. The next prime is 143890276613. The reversal of 143890276609 is 906672098341.

It is not a de Polignac number, because 143890276609 - 23 = 143890276601 is a prime.

It is a super-2 number, since 2×1438902766092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143890276609.

It is not an unprimeable number, because it can be changed into a prime (143890276601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651592 + ... + 844009.

It is an arithmetic number, because the mean of its divisors is an integer number (9691500960).

Almost surely, 2143890276609 is an apocalyptic number.

It is an amenable number.

143890276609 is a deficient number, since it is larger than the sum of its proper divisors (11173738751).

143890276609 is a wasteful number, since it uses less digits than its factorization.

143890276609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495760.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 143890276609 in words is "one hundred forty-three billion, eight hundred ninety million, two hundred seventy-six thousand, six hundred nine".

Divisors: 1 23 47 89 1081 2047 4183 96209 1495601 34398823 70293247 133108489 1616744681 3061495247 6256098983 143890276609