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131212240432322 = 2715797327613357
BaseRepresentation
bin11101110101011000111010…
…111110110010110011000010
3122012120202201122020210020112
4131311120322332302303002
5114144240132022313242
61143022023205311322
736431525431314230
oct3565307276626302
9565522648223215
10131212240432322
1138898887034295
1212871989a05542
13582a351a7724a
1424589c620d950
1510281e8b98c82
hex77563afb2cc2

131212240432322 has 32 divisors (see below), whose sum is σ = 226370672951808. Its totient is φ = 55874974948416.

The previous prime is 131212240432321. The next prime is 131212240432337. The reversal of 131212240432322 is 223234042212131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131212240432321) 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, 213618068 + ... + 214231424.

It is an arithmetic number, because the mean of its divisors is an integer number (7074083529744).

Almost surely, 2131212240432322 is an apocalyptic number.

131212240432322 is a deficient number, since it is larger than the sum of its proper divisors (95158432519486).

131212240432322 is a wasteful number, since it uses less digits than its factorization.

131212240432322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710850.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131212240432322 its reverse (223234042212131), we get a palindrome (354446282644453).

The spelling of 131212240432322 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty million, four hundred thirty-two thousand, three hundred twenty-two".

Divisors: 1 2 7 14 157 314 1099 2198 97327 194654 613357 681289 1226714 1362578 4293499 8586998 15280339 30560678 96297049 106962373 192594098 213924746 674079343 1348158686 59696196739 119392393478 417873377173 835746754346 9372302888023 18744605776046 65606120216161 131212240432322