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80386410461 = 7210315927563
BaseRepresentation
bin100101011011101100…
…1110100011111011101
321200111021012202111112
41022313121310133131
52304112410113321
6100532355431405
75544023133500
oct1126731643735
9250437182445
1080386410461
113110103aa75
12136b52b5565
1377711c8a66
143c68203137
15215739aa5b
hex12b76747dd

80386410461 has 12 divisors (see below), whose sum is σ = 94418599392. Its totient is φ = 68233675608.

The previous prime is 80386410449. The next prime is 80386410529. The reversal of 80386410461 is 16401468308.

It is not a de Polignac number, because 80386410461 - 26 = 80386410397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80386412461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7958735 + ... + 7968828.

It is an arithmetic number, because the mean of its divisors is an integer number (7868216616).

Almost surely, 280386410461 is an apocalyptic number.

It is an amenable number.

80386410461 is a deficient number, since it is larger than the sum of its proper divisors (14032188931).

80386410461 is a wasteful number, since it uses less digits than its factorization.

80386410461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15927680 (or 15927673 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

Adding to 80386410461 its reverse (16401468308), we get a palindrome (96787878769).

The spelling of 80386410461 in words is "eighty billion, three hundred eighty-six million, four hundred ten thousand, four hundred sixty-one".

Divisors: 1 7 49 103 721 5047 15927563 111492941 780450587 1640538989 11483772923 80386410461