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103103011 = 1121750123
BaseRepresentation
bin1100010010100…
…11101000100011
321012000011202001
412021103220203
5202343244021
614121504431
72361234604
oct611235043
9235004661
10103103011
1153220900
122a642117
131848bccb
14d99bdab
1590b9091
hex6253a23

103103011 has 12 divisors (see below), whose sum is σ = 119996856. Its totient is φ = 88214720.

The previous prime is 103103009. The next prime is 103103027. The reversal of 103103011 is 110301301.

It is not a de Polignac number, because 103103011 - 21 = 103103009 is a prime.

It is a super-2 number, since 2×1031030112 = 21260461754532242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103103041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23005 + ... + 27118.

It is an arithmetic number, because the mean of its divisors is an integer number (9999738).

Almost surely, 2103103011 is an apocalyptic number.

103103011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103103011 is a deficient number, since it is larger than the sum of its proper divisors (16893845).

103103011 is a wasteful number, since it uses less digits than its factorization.

103103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50162 (or 50151 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 103103011 is about 10153.9652845576. The cubic root of 103103011 is about 468.9110309913.

Adding to 103103011 its reverse (110301301), we get a palindrome (213404312).

The spelling of 103103011 in words is "one hundred three million, one hundred three thousand, eleven".

Divisors: 1 11 17 121 187 2057 50123 551353 852091 6064883 9373001 103103011