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16381107459 = 321820123051
BaseRepresentation
bin11110100000110001…
…11101110100000011
31120021121221110221200
433100120331310003
5232022030414314
611305251552243
71116640054533
oct172030756403
946247843850
1016381107459
116a46787542
123211bbb683
131710a114c2
14b158194c3
1565d1c6709
hex3d063dd03

16381107459 has 6 divisors (see below), whose sum is σ = 23661599676. Its totient is φ = 10920738300.

The previous prime is 16381107439. The next prime is 16381107467. The reversal of 16381107459 is 95470118361.

16381107459 is a `hidden beast` number, since 1 + 638 + 1 + 1 + 0 + 7 + 4 + 5 + 9 = 666.

16381107459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16381107459 - 25 = 16381107427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16381107409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910061517 + ... + 910061534.

It is an arithmetic number, because the mean of its divisors is an integer number (3943599946).

Almost surely, 216381107459 is an apocalyptic number.

16381107459 is a deficient number, since it is larger than the sum of its proper divisors (7280492217).

16381107459 is a wasteful number, since it uses less digits than its factorization.

16381107459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820123057 (or 1820123054 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 16381107459 in words is "sixteen billion, three hundred eighty-one million, one hundred seven thousand, four hundred fifty-nine".

Divisors: 1 3 9 1820123051 5460369153 16381107459