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16080683481 = 321786742609
BaseRepresentation
bin11101111100111101…
…11100000111011001
31112111200122100201200
432332132330013121
5230413123332411
611215400504413
71106331361062
oct167636740731
945450570650
1016080683481
116902143565
12314947b109
1316936c5735
14ac7975569
15641b31e56
hex3be7bc1d9

16080683481 has 6 divisors (see below), whose sum is σ = 23227653930. Its totient is φ = 10720455648.

The previous prime is 16080683471. The next prime is 16080683491. The reversal of 16080683481 is 18438608061.

It is a happy number.

16080683481 is a `hidden beast` number, since 1 + 608 + 0 + 6 + 8 + 34 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (16080683471) and next prime (16080683491).

It can be written as a sum of positive squares in only one way, i.e., 13465281600 + 2615401881 = 116040^2 + 51141^2 .

It is not a de Polignac number, because 16080683481 - 26 = 16080683417 is a prime.

It is a super-2 number, since 2×160806834812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16080683441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 893371296 + ... + 893371313.

It is an arithmetic number, because the mean of its divisors is an integer number (3871275655).

Almost surely, 216080683481 is an apocalyptic number.

It is an amenable number.

16080683481 is a deficient number, since it is larger than the sum of its proper divisors (7146970449).

16080683481 is a wasteful number, since it uses less digits than its factorization.

16080683481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786742615 (or 1786742612 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 16080683481 in words is "sixteen billion, eighty million, six hundred eighty-three thousand, four hundred eighty-one".

Divisors: 1 3 9 1786742609 5360227827 16080683481