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16016035231 = 771271118913
BaseRepresentation
bin11101110101010000…
…10100110110011111
31112100011222220000001
432322220110312133
5230300101111411
611205131115131
71104615024160
oct167250246637
945304886001
1016016035231
1168796a8359
12312b8a2aa7
1316831abb31
14abd147767
1563b111dc1
hex3baa14d9f

16016035231 has 16 divisors (see below), whose sum is σ = 18630494208. Its totient is φ = 13484620800.

The previous prime is 16016035169. The next prime is 16016035283. The reversal of 16016035231 is 13253061061.

It is not a de Polignac number, because 16016035231 - 29 = 16016034719 is a prime.

It is a super-2 number, since 2×160160352312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16016035231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16016035031) 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, 75231 + ... + 194143.

It is an arithmetic number, because the mean of its divisors is an integer number (1164405888).

Almost surely, 216016035231 is an apocalyptic number.

16016035231 is a deficient number, since it is larger than the sum of its proper divisors (2614458977).

16016035231 is a wasteful number, since it uses less digits than its factorization.

16016035231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119262.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 16016035231 its reverse (13253061061), we get a palindrome (29269096292).

The spelling of 16016035231 in words is "sixteen billion, sixteen million, thirty-five thousand, two hundred thirty-one".

Divisors: 1 7 71 271 497 1897 19241 118913 134687 832391 8442823 32225423 59099761 225577961 2288005033 16016035231