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212230234144 = 2529228696373
BaseRepresentation
bin1100010110100111101…
…0000110000000100000
3202021210200121221201101
43011221322012000200
511434121414443034
6241255222244144
721222156140215
oct3055172060040
9667720557641
10212230234144
1182008486125
123516b586654
1317023095706
14a3b4511b0c
1557c2022514
hex3169e86020

212230234144 has 24 divisors (see below), whose sum is σ = 432236146860. Its totient is φ = 102455974656.

The previous prime is 212230234127. The next prime is 212230234171. The reversal of 212230234144 is 441432032212.

It can be written as a sum of positive squares in 2 ways, for example, as 210669984144 + 1560250000 = 458988^2 + 39500^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114347259 + ... + 114349114.

Almost surely, 2212230234144 is an apocalyptic number.

It is an amenable number.

212230234144 is an abundant number, since it is smaller than the sum of its proper divisors (220005912716).

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

212230234144 is a wasteful number, since it uses less digits than its factorization.

212230234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228696412 (or 228696404 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212230234144 its reverse (441432032212), we get a palindrome (653662266356).

The spelling of 212230234144 in words is "two hundred twelve billion, two hundred thirty million, two hundred thirty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 228696373 457392746 914785492 1829570984 3659141968 6632194817 7318283936 13264389634 26528779268 53057558536 106115117072 212230234144