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10122434442 = 2321399740177
BaseRepresentation
bin10010110110101100…
…00001011110001010
3222010110010221121100
421123112001132022
5131212320400232
64352234522230
7505562162451
oct113326013612
928113127540
1010122434442
1143249398aa
121b65b96376
13c541874a3
146c0513b98
153e39e4c7c
hex25b58178a

10122434442 has 24 divisors (see below), whose sum is σ = 21934054116. Its totient is φ = 3373819776.

The previous prime is 10122434431. The next prime is 10122434447. The reversal of 10122434442 is 24443422101.

It can be written as a sum of positive squares in 2 ways, for example, as 9422779041 + 699655401 = 97071^2 + 26451^2 .

It is not an unprimeable number, because it can be changed into a prime (10122434447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231858 + ... + 272034.

Almost surely, 210122434442 is an apocalyptic number.

10122434442 is an abundant number, since it is smaller than the sum of its proper divisors (11811619674).

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

10122434442 is a wasteful number, since it uses less digits than its factorization.

10122434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54182 (or 54179 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10122434442 its reverse (24443422101), we get a palindrome (34565856543).

The spelling of 10122434442 in words is "ten billion, one hundred twenty-two million, four hundred thirty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 13997 27994 40177 41991 80354 83982 120531 125973 241062 251946 361593 723186 562357469 1124714938 1687072407 3374144814 5061217221 10122434442