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23100077461 is a prime number
BaseRepresentation
bin10101100000110111…
…110011010110010101
32012121212212112001111
4111200313303112111
5334302104434321
614340110455021
71445304263416
oct254067632625
965555775044
1023100077461
11988443410a
124588204471
132241a2bcb6
141191cdd80d
15902ecc5e1
hex560df3595

23100077461 has 2 divisors, whose sum is σ = 23100077462. Its totient is φ = 23100077460.

The previous prime is 23100077437. The next prime is 23100077477. The reversal of 23100077461 is 16477000132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19081278225 + 4018799236 = 138135^2 + 63394^2 .

It is a cyclic number.

It is not a de Polignac number, because 23100077461 - 27 = 23100077333 is a prime.

It is a super-2 number, since 2×231000774612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23100077261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550038730 + 11550038731.

It is an arithmetic number, because the mean of its divisors is an integer number (11550038731).

Almost surely, 223100077461 is an apocalyptic number.

It is an amenable number.

23100077461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23100077461 is an equidigital number, since it uses as much as digits as its factorization.

23100077461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 23100077461 its reverse (16477000132), we get a palindrome (39577077593).

The spelling of 23100077461 in words is "twenty-three billion, one hundred million, seventy-seven thousand, four hundred sixty-one".