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1115001112 = 231091278671
BaseRepresentation
bin100001001110101…
…1001000100011000
32212201001220222111
41002131121010120
54240420013422
6302350202104
736426232051
oct10235310430
92781056874
101115001112
11522430925
122714b3334
1314a003994
14a8125728
1567d4aa77
hex42759118

1115001112 has 16 divisors (see below), whose sum is σ = 2109808800. Its totient is φ = 552385440.

The previous prime is 1115001101. The next prime is 1115001119. The reversal of 1115001112 is 2111005111.

It is a super-2 number, since 2×11150011122 = 2486454959522473088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1115001092 and 1115001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115001119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638464 + ... + 640207.

It is an arithmetic number, because the mean of its divisors is an integer number (131863050).

Almost surely, 21115001112 is an apocalyptic number.

It is an amenable number.

1115001112 is a deficient number, since it is larger than the sum of its proper divisors (994807688).

1115001112 is a wasteful number, since it uses less digits than its factorization.

1115001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278786 (or 1278782 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1115001112 is about 33391.6323650102. The cubic root of 1115001112 is about 1036.9514745402.

Adding to 1115001112 its reverse (2111005111), we get a palindrome (3226006223).

The spelling of 1115001112 in words is "one billion, one hundred fifteen million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 109 218 436 872 1278671 2557342 5114684 10229368 139375139 278750278 557500556 1115001112