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1102030043 = 2161509963
BaseRepresentation
bin100000110101111…
…1010010011011011
32211210122221000112
41001223322103123
54224104430133
6301204154535
736211046402
oct10153722333
92753587015
101102030043
11516081534
12269098a4b
131474119aa
14a650a639
1566b37648
hex41afa4db

1102030043 has 4 divisors (see below), whose sum is σ = 1102542168. Its totient is φ = 1101517920.

The previous prime is 1102029997. The next prime is 1102030057. The reversal of 1102030043 is 3400302011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1102030043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102030243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252821 + ... + 257142.

It is an arithmetic number, because the mean of its divisors is an integer number (275635542).

Almost surely, 21102030043 is an apocalyptic number.

1102030043 is a deficient number, since it is larger than the sum of its proper divisors (512125).

1102030043 is an equidigital number, since it uses as much as digits as its factorization.

1102030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512124.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1102030043 is about 33196.8378463974. The cubic root of 1102030043 is about 1032.9147473413.

Adding to 1102030043 its reverse (3400302011), we get a palindrome (4502332054).

The spelling of 1102030043 in words is "one billion, one hundred two million, thirty thousand, forty-three".

Divisors: 1 2161 509963 1102030043