Search a number
-
+
143461400169 = 311322711171669
BaseRepresentation
bin1000010110011011110…
…1110011111001101001
3111201022001221020010110
42011212331303321221
54322302104301134
6145523311404533
713236051531663
oct2054675637151
9451261836113
10143461400169
115592924733a
1223978b23749
13106b3a35189
146d2d21d533
153ae9a567e9
hex2166f73e69

143461400169 has 32 divisors (see below), whose sum is σ = 194114494080. Its totient is φ = 94235968512.

The previous prime is 143461400119. The next prime is 143461400191. The reversal of 143461400169 is 961004164341.

It is not a de Polignac number, because 143461400169 - 211 = 143461398121 is a prime.

It is a super-2 number, since 2×1434614001692 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143461400119) 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, 85955667 + ... + 85957335.

It is an arithmetic number, because the mean of its divisors is an integer number (6066077940).

Almost surely, 2143461400169 is an apocalyptic number.

It is an amenable number.

143461400169 is a deficient number, since it is larger than the sum of its proper divisors (50653093911).

143461400169 is a wasteful number, since it uses less digits than its factorization.

143461400169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 143461400169 in words is "one hundred forty-three billion, four hundred sixty-one million, four hundred thousand, one hundred sixty-nine".

Divisors: 1 3 113 227 339 681 1117 1669 3351 5007 25651 76953 126221 188597 253559 378663 378863 565791 760677 1136589 1864273 5592819 28652167 42811519 85956501 128434557 210662849 423189971 631988547 1269569913 47820466723 143461400169