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70111112 = 23127151457
BaseRepresentation
bin1000010110111…
…00111110001000
311212221000100212
410023130332020
5120422023422
610542420252
71510635401
oct413347610
9155830325
1070111112
1136637575
121b591688
13116aa286
1494509a8
15624d9e2
hex42dcf88

70111112 has 32 divisors (see below), whose sum is σ = 133662720. Its totient is φ = 34473600.

The previous prime is 70111099. The next prime is 70111117. The reversal of 70111112 is 21111107.

It is not an unprimeable number, because it can be changed into a prime (70111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153188 + ... + 153644.

It is an arithmetic number, because the mean of its divisors is an integer number (4176960).

Almost surely, 270111112 is an apocalyptic number.

It is an amenable number.

70111112 is a deficient number, since it is larger than the sum of its proper divisors (63551608).

70111112 is a wasteful number, since it uses less digits than its factorization.

70111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 70111112 is about 8373.2378444661. The cubic root of 70111112 is about 412.3464738741.

Adding to 70111112 its reverse (21111107), we get a palindrome (91222219).

The spelling of 70111112 in words is "seventy million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 127 151 254 302 457 508 604 914 1016 1208 1828 3656 19177 38354 58039 69007 76708 116078 138014 153416 232156 276028 464312 552056 8763889 17527778 35055556 70111112