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3111110112 = 253112946127
BaseRepresentation
bin1011100101101111…
…1100010111100000
322000211002202202110
42321123330113200
522332421010422
61232413515320
7140044666605
oct27133742740
98024082673
103111110112
111357160090
12729aa2b40
133a7717c76
1421728a6ac
151331e060c
hexb96fc5e0

3111110112 has 48 divisors (see below), whose sum is σ = 8909091072. Its totient is φ = 942760320.

The previous prime is 3111110099. The next prime is 3111110113. The reversal of 3111110112 is 2110111113.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×31111101122 = 19358012257977305088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111110113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472008 + ... + 1474119.

It is an arithmetic number, because the mean of its divisors is an integer number (185606064).

Almost surely, 23111110112 is an apocalyptic number.

3111110112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3111110112 is an abundant number, since it is smaller than the sum of its proper divisors (5797980960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111110112 is a wasteful number, since it uses less digits than its factorization.

3111110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946151 (or 2946143 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 3111110112 is about 55777.3261460246. The cubic root of 3111110112 is about 1459.8395570236.

Adding to 3111110112 its reverse (2110111113), we get a palindrome (5221221225).

It can be divided in two parts, 31111101 and 12, that added together give a palindrome (31111113).

The spelling of 3111110112 in words is "three billion, one hundred eleven million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 2946127 5892254 8838381 11784508 17676762 23569016 32407397 35353524 47138032 64814794 70707048 94276064 97222191 129629588 141414096 194444382 259259176 282828192 388888764 518518352 777777528 1037036704 1555555056 3111110112