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1102000123 = 7157428589
BaseRepresentation
bin100000110101111…
…0010111111111011
32211210121101222101
41001223302333323
54224103000443
6301203404231
736210563230
oct10153627773
92753541871
101102000123
11516061004
12269083677
131474011a3
14a64dd787
1566b2d84d
hex41af2ffb

1102000123 has 4 divisors (see below), whose sum is σ = 1259428720. Its totient is φ = 944571528.

The previous prime is 1102000099. The next prime is 1102000181. The reversal of 1102000123 is 3210002011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1102000123 - 29 = 1101999611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102060123) 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, 78714288 + ... + 78714301.

It is an arithmetic number, because the mean of its divisors is an integer number (314857180).

Almost surely, 21102000123 is an apocalyptic number.

1102000123 is a deficient number, since it is larger than the sum of its proper divisors (157428597).

1102000123 is an equidigital number, since it uses as much as digits as its factorization.

1102000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157428596.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1102000123 is about 33196.3871980070. The cubic root of 1102000123 is about 1032.9053994144.

Adding to 1102000123 its reverse (3210002011), we get a palindrome (4312002134).

The spelling of 1102000123 in words is "one billion, one hundred two million, one hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 157428589 1102000123