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212431444034 = 21372413217001
BaseRepresentation
bin1100010111010111100…
…1101001100001000010
3202022022201020110210112
43011311321221201002
511440024422202114
6241331211031322
721230151324035
oct3056571514102
9668281213715
10212431444034
1182101015097
1235206a3b542
1317055984614
14a3d312b01c
1557d4a1a13e
hex3175e69842

212431444034 has 16 divisors (see below), whose sum is σ = 322304996376. Its totient is φ = 105002880000.

The previous prime is 212431444033. The next prime is 212431444051. The reversal of 212431444034 is 430444134212.

It can be written as a sum of positive squares in 4 ways, for example, as 169311675625 + 43119768409 = 411475^2 + 207653^2 .

It is not an unprimeable number, because it can be changed into a prime (212431444031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542467 + ... + 1674534.

Almost surely, 2212431444034 is an apocalyptic number.

212431444034 is a deficient number, since it is larger than the sum of its proper divisors (109873552342).

212431444034 is a wasteful number, since it uses less digits than its factorization.

212431444034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217381.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 212431444034 its reverse (430444134212), we get a palindrome (642875578246).

The spelling of 212431444034 in words is "two hundred twelve billion, four hundred thirty-one million, four hundred forty-four thousand, thirty-four".

Divisors: 1 2 137 241 274 482 33017 66034 3217001 6434002 440729137 775297241 881458274 1550594482 106215722017 212431444034