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143120220033 = 372973606939
BaseRepresentation
bin1000010101001010100…
…0010011111110000001
3111200102021221110222010
42011102220103332001
54321102234020113
6145425403003133
713224436540500
oct2052250237601
9450367843863
10143120220033
11557736a668a
12238a28094a9
131065b14963b
146cd9baa837
153ac9b111c3
hex2152a13f81

143120220033 has 12 divisors (see below), whose sum is σ = 221982382320. Its totient is φ = 81782982792.

The previous prime is 143120220031. The next prime is 143120220071. The reversal of 143120220033 is 330022021341.

It is not a de Polignac number, because 143120220033 - 21 = 143120220031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143120219991 and 143120220009.

It is not an unprimeable number, because it can be changed into a prime (143120220031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486803323 + ... + 486803616.

It is an arithmetic number, because the mean of its divisors is an integer number (18498531860).

Almost surely, 2143120220033 is an apocalyptic number.

It is an amenable number.

143120220033 is a deficient number, since it is larger than the sum of its proper divisors (78862162287).

143120220033 is an equidigital number, since it uses as much as digits as its factorization.

143120220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973606956 (or 973606949 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 143120220033 its reverse (330022021341), we get a palindrome (473142241374).

The spelling of 143120220033 in words is "one hundred forty-three billion, one hundred twenty million, two hundred twenty thousand, thirty-three".

Divisors: 1 3 7 21 49 147 973606939 2920820817 6815248573 20445745719 47706740011 143120220033