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16304634031 = 718159321701
BaseRepresentation
bin11110010111101010…
…01111100010101111
31120002022001020010111
433023311033202233
5231342441242111
611253520520451
71115021050120
oct171365174257
946068036114
1016304634031
116a075a4964
1231b0480127
1316cac1735a
14b095d0047
1565661ca21
hex3cbd4f8af

16304634031 has 16 divisors (see below), whose sum is σ = 18769278528. Its totient is φ = 13874112000.

The previous prime is 16304634019. The next prime is 16304634077. The reversal of 16304634031 is 13043640361.

It is a happy number.

It is not a de Polignac number, because 16304634031 - 223 = 16296245423 is a prime.

It is a super-2 number, since 2×163046340312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16304633984 and 16304634002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16304634131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740481 + ... + 762181.

It is an arithmetic number, because the mean of its divisors is an integer number (1173079908).

Almost surely, 216304634031 is an apocalyptic number.

16304634031 is a deficient number, since it is larger than the sum of its proper divisors (2464644497).

16304634031 is a wasteful number, since it uses less digits than its factorization.

16304634031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22482.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 16304634031 in words is "sixteen billion, three hundred four million, six hundred thirty-four thousand, thirty-one".

Divisors: 1 7 181 593 1267 4151 21701 107333 151907 751331 3927881 12868693 27495167 90080851 2329233433 16304634031