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2116444042031 = 114120749226169
BaseRepresentation
bin11110110011000101111…
…001010011001100101111
321111022220121212002011112
4132303011321103030233
5234133434133321111
64300140404542235
7305623312350044
oct36630571231457
97438817762145
102116444042031
11746640539070
122a22209b197b
1312476cb1bba7
147461782d1cb
153a0c0bc0e8b
hex1ecc5e5332f

2116444042031 has 16 divisors (see below), whose sum is σ = 2365285860000. Its totient is φ = 1877013465600.

The previous prime is 2116444041997. The next prime is 2116444042049. The reversal of 2116444042031 is 1302404446112.

It is a cyclic number.

It is not a de Polignac number, because 2116444042031 - 210 = 2116444041007 is a prime.

It is a super-2 number, since 2×21164440420312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116444042931) 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, 9244715 + ... + 9470883.

It is an arithmetic number, because the mean of its divisors is an integer number (147830366250).

Almost surely, 22116444042031 is an apocalyptic number.

2116444042031 is a deficient number, since it is larger than the sum of its proper divisors (248841817969).

2116444042031 is a wasteful number, since it uses less digits than its factorization.

2116444042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246970.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 2116444042031 its reverse (1302404446112), we get a palindrome (3418848488143).

The spelling of 2116444042031 in words is "two trillion, one hundred sixteen billion, four hundred forty-four million, forty-two thousand, thirty-one".

Divisors: 1 11 41 451 20749 226169 228239 850709 2487859 9272929 9357799 102002219 4692780581 51620586391 192404003821 2116444042031