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15232449961 is a prime number
BaseRepresentation
bin11100010111110110…
…01011110110101001
31110022120112122002101
432023323023312221
5222144001344321
610555300133401
71046321455051
oct161373136651
943276478071
1015232449961
116507359123
122b51397261
131589a55501
14a47052561
155e242d791
hex38becbda9

15232449961 has 2 divisors, whose sum is σ = 15232449962. Its totient is φ = 15232449960.

The previous prime is 15232449907. The next prime is 15232450039. The reversal of 15232449961 is 16994423251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9402211225 + 5830238736 = 96965^2 + 76356^2 .

It is a cyclic number.

It is not a de Polignac number, because 15232449961 - 211 = 15232447913 is a prime.

It is not a weakly prime, because it can be changed into another prime (15232449901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7616224980 + 7616224981.

It is an arithmetic number, because the mean of its divisors is an integer number (7616224981).

Almost surely, 215232449961 is an apocalyptic number.

It is an amenable number.

15232449961 is a deficient number, since it is larger than the sum of its proper divisors (1).

15232449961 is an equidigital number, since it uses as much as digits as its factorization.

15232449961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The spelling of 15232449961 in words is "fifteen billion, two hundred thirty-two million, four hundred forty-nine thousand, nine hundred sixty-one".