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53111141421 = 313314295639
BaseRepresentation
bin110001011101101010…
…111011010000101101
312002002101222112022220
4301131222323100231
51332232423011141
640222100025553
73560100152622
oct613552732055
9162071875286
1053111141421
1120584944708
12a3629922b9
135015499000
1427db9c8349
1515aca8e766
hexc5dabb42d

53111141421 has 32 divisors (see below), whose sum is σ = 76780704000. Its totient is φ = 32655115584.

The previous prime is 53111141399. The next prime is 53111141431. The reversal of 53111141421 is 12414111135.

It is not a de Polignac number, because 53111141421 - 214 = 53111125037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53111141391 and 53111141400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53111141431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9415720 + ... + 9421358.

It is an arithmetic number, because the mean of its divisors is an integer number (2399397000).

Almost surely, 253111141421 is an apocalyptic number.

It is an amenable number.

53111141421 is a deficient number, since it is larger than the sum of its proper divisors (23669562579).

53111141421 is a wasteful number, since it uses less digits than its factorization.

53111141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110 (or 7084 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

Adding to 53111141421 its reverse (12414111135), we get a palindrome (65525252556).

The spelling of 53111141421 in words is "fifty-three billion, one hundred eleven million, one hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 3 13 39 169 507 1429 2197 4287 5639 6591 16917 18577 55731 73307 219921 241501 724503 952991 2858973 3139513 8058131 9418539 12388883 24174393 37166649 104755703 314267109 1361824139 4085472417 17703713807 53111141421