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93135412147561 = 72337240912
BaseRepresentation
bin10101001011010011000111…
…001010000011010101101001
3110012202122210000012101020221
4111023103013022003111221
544201412311002210221
6530025452341250041
725421545223141200
oct2513230712032551
9405678700171227
1093135412147561
1127748563138593
12a542325103921
133cc7829a56524
1418ddac6b90237
15ab79ec14d541
hex54b4c7283569

93135412147561 has 27 divisors (see below), whose sum is σ = 108690203036727. Its totient is φ = 79574012199360.

The previous prime is 93135412147513. The next prime is 93135412147573. The reversal of 93135412147561 is 16574121453139.

The square root of 93135412147561 is 9650669.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25114881675625 + 68020530471936 = 5011475^2 + 8247456^2 .

It is not a de Polignac number, because 93135412147561 - 211 = 93135412145513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93135412147499 and 93135412147508.

It is not an unprimeable number, because it can be changed into a prime (93135412147961) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22765926126 + ... + 22765930216.

Almost surely, 293135412147561 is an apocalyptic number.

93135412147561 is the 9650669-th square number.

93135412147561 is the 4825335-th centered octagonal number.

It is an amenable number.

93135412147561 is a deficient number, since it is larger than the sum of its proper divisors (15554790889166).

93135412147561 is an frugal number, since it uses more digits than its factorization.

93135412147561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870 (or 4435 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The spelling of 93135412147561 in words is "ninety-three trillion, one hundred thirty-five billion, four hundred twelve million, one hundred forty-seven thousand, five hundred sixty-one".

Divisors: 1 7 49 337 2359 4091 16513 28637 113569 200459 794983 1378667 5564881 9650669 16736281 67554683 117153967 464610779 820077769 3252275453 5640126697 22765928171 39480886879 276366208153 1900722696889 13305058878223 93135412147561