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212414230145 = 51310929980837
BaseRepresentation
bin1100010111010011011…
…1111110111010000001
3202022021111211220210002
43011310313332322001
511440011020331040
6241325354045345
721226552110545
oct3056467767201
9668244756702
10212414230145
11820a2328037
1235201119855
13170522383a0
14a3d0b29a25
1557d3269a15
hex3174dfee81

212414230145 has 16 divisors (see below), whose sum is σ = 277022943120. Its totient is φ = 155420653824.

The previous prime is 212414230141. The next prime is 212414230177. The reversal of 212414230145 is 541032414212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19629130816 + 192785099329 = 140104^2 + 439073^2 .

It is a cyclic number.

It is not a de Polignac number, because 212414230145 - 22 = 212414230141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212414230141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14983334 + ... + 14997503.

It is an arithmetic number, because the mean of its divisors is an integer number (17313933945).

Almost surely, 2212414230145 is an apocalyptic number.

It is an amenable number.

212414230145 is a deficient number, since it is larger than the sum of its proper divisors (64608712975).

212414230145 is a wasteful number, since it uses less digits than its factorization.

212414230145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29980964.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 212414230145 its reverse (541032414212), we get a palindrome (753446644357).

The spelling of 212414230145 in words is "two hundred twelve billion, four hundred fourteen million, two hundred thirty thousand, one hundred forty-five".

Divisors: 1 5 13 65 109 545 1417 7085 29980837 149904185 389750881 1948754405 3267911233 16339556165 42482846029 212414230145