Search a number
-
+
1102020103 = 31131311321
BaseRepresentation
bin100000110101111…
…0111111000000111
32211210122102101101
41001223313320013
54224104120403
6301204040531
736211005412
oct10153677007
92753572341
101102020103
11516075018
12269093147
1314740a302
14a6506b79
1566b3471d
hex41af7e07

1102020103 has 8 divisors (see below), whose sum is σ = 1109193696. Its totient is φ = 1094870400.

The previous prime is 1102020079. The next prime is 1102020109. The reversal of 1102020103 is 3010202011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102020103 - 217 = 1101889031 is a prime.

It is a super-2 number, since 2×11020201032 = 2428896614832261218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020109) 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 7 ways as a sum of consecutive naturals, for example, 91683 + ... + 103003.

It is an arithmetic number, because the mean of its divisors is an integer number (138649212).

Almost surely, 21102020103 is an apocalyptic number.

1102020103 is a deficient number, since it is larger than the sum of its proper divisors (7173593).

1102020103 is a wasteful number, since it uses less digits than its factorization.

1102020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945.

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

The square root of 1102020103 is about 33196.6881330051. The cubic root of 1102020103 is about 1032.9116417988.

Adding to 1102020103 its reverse (3010202011), we get a palindrome (4112222114).

The spelling of 1102020103 in words is "one billion, one hundred two million, twenty thousand, one hundred three".

Divisors: 1 311 313 11321 97343 3520831 3543473 1102020103