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14721108461 is a prime number
BaseRepresentation
bin11011011010111001…
…00100100111101101
31101222221100210102022
431231130210213231
5220122100432321
610432432235525
71030542233363
oct155534444755
941887323368
1014721108461
116274755744
122a2a09bba5
131507b2c087
149d9187633
155b25c4dab
hex36d7249ed

14721108461 has 2 divisors, whose sum is σ = 14721108462. Its totient is φ = 14721108460.

The previous prime is 14721108443. The next prime is 14721108511. The reversal of 14721108461 is 16480112741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13524294436 + 1196814025 = 116294^2 + 34595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14721108461 is a prime.

It is a super-2 number, since 2×147211084612 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14721108361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7360554230 + 7360554231.

It is an arithmetic number, because the mean of its divisors is an integer number (7360554231).

Almost surely, 214721108461 is an apocalyptic number.

It is an amenable number.

14721108461 is a deficient number, since it is larger than the sum of its proper divisors (1).

14721108461 is an equidigital number, since it uses as much as digits as its factorization.

14721108461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 14721108461 in words is "fourteen billion, seven hundred twenty-one million, one hundred eight thousand, four hundred sixty-one".