Search a number
-
+
143227404906 = 2359404597189
BaseRepresentation
bin1000010101100100000…
…1001100001001101010
3111200200202122000222020
42011121001030021222
54321312203424111
6145444152205310
713230210566025
oct2053101141152
9450622560866
10143227404906
1155819155223
1223912699836
1310677407541
146d0a10c1bc
153ad4234906
hex215904c26a

143227404906 has 16 divisors (see below), whose sum is σ = 291309976800. Its totient is φ = 46933273808.

The previous prime is 143227404863. The next prime is 143227404917. The reversal of 143227404906 is 609404722341.

It is a super-2 number, since 2×1432274049062 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202298241 + ... + 202298948.

It is an arithmetic number, because the mean of its divisors is an integer number (18206873550).

Almost surely, 2143227404906 is an apocalyptic number.

143227404906 is an abundant number, since it is smaller than the sum of its proper divisors (148082571894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143227404906 is a wasteful number, since it uses less digits than its factorization.

143227404906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404597253.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 143227404906 in words is "one hundred forty-three billion, two hundred twenty-seven million, four hundred four thousand, nine hundred six".

Divisors: 1 2 3 6 59 118 177 354 404597189 809194378 1213791567 2427583134 23871234151 47742468302 71613702453 143227404906