Search a number
-
+
143121060145 = 57173209911261
BaseRepresentation
bin1000010101001010101…
…1100001000100110001
3111200102100112011101101
42011102223201010301
54321102442411040
6145425433004401
713224446640010
oct2052253410461
9450370464341
10143121060145
115577411a898
12238a2b53701
131065b381b4b
146cd9d48a77
153ac9c2a09a
hex2152ae1131

143121060145 has 32 divisors (see below), whose sum is σ = 197526470400. Its totient is φ = 97517725440.

The previous prime is 143121060143. The next prime is 143121060149. The reversal of 143121060145 is 541060121341.

It is not a de Polignac number, because 143121060145 - 21 = 143121060143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143121060143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12703815 + ... + 12715075.

It is an arithmetic number, because the mean of its divisors is an integer number (6172702200).

Almost surely, 2143121060145 is an apocalyptic number.

It is an amenable number.

143121060145 is a deficient number, since it is larger than the sum of its proper divisors (54405410255).

143121060145 is a wasteful number, since it uses less digits than its factorization.

143121060145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13545.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 143121060145 its reverse (541060121341), we get a palindrome (684181181486).

The spelling of 143121060145 in words is "one hundred forty-three billion, one hundred twenty-one million, sixty thousand, one hundred forty-five".

Divisors: 1 5 7 35 173 865 1211 2099 6055 10495 11261 14693 56305 73465 78827 363127 394135 1815635 1948153 2541889 9740765 12709445 13637071 23636839 68185355 118184195 165457873 827289365 4089173147 20445865735 28624212029 143121060145