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62121161052461 = 722943716510241
BaseRepresentation
bin11100001111111101101011…
…01111001101000100101101
322010221201120112010112222202
432013332311233031010231
531120243114212134321
6340042022321151245
716041051165411500
oct1607766557150455
9263851515115882
1062121161052461
1118880488a119a5
126b735b718b525
132888000a058c4
14114a974801137
1572ada992b70b
hex387fb5bcd12d

62121161052461 has 12 divisors (see below), whose sum is σ = 74755232513820. Its totient is φ = 51410616042240.

The previous prime is 62121161052439. The next prime is 62121161052557. The reversal of 62121161052461 is 16425016112126.

It can be written as a sum of positive squares in 2 ways, for example, as 13616469002500 + 48504692049961 = 3690050^2 + 6964531^2 .

It is not a de Polignac number, because 62121161052461 - 218 = 62121160790317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62121161052761) 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, 21858253700 + ... + 21858256541.

It is an arithmetic number, because the mean of its divisors is an integer number (6229602709485).

Almost surely, 262121161052461 is an apocalyptic number.

It is an amenable number.

62121161052461 is a deficient number, since it is larger than the sum of its proper divisors (12634071461359).

62121161052461 is a wasteful number, since it uses less digits than its factorization.

62121161052461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43716510284 (or 43716510277 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

Adding to 62121161052461 its reverse (16425016112126), we get a palindrome (78546177164587).

The spelling of 62121161052461 in words is "sixty-two trillion, one hundred twenty-one billion, one hundred sixty-one million, fifty-two thousand, four hundred sixty-one".

Divisors: 1 7 29 49 203 1421 43716510241 306015571687 1267778796989 2142109001809 8874451578923 62121161052461