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1102211042 = 2551105521
BaseRepresentation
bin100000110110010…
…0110011111100010
32211211000010022012
41001230212133202
54224131223132
6301212112522
736212432162
oct10154463742
92754003265
101102211042
11516195519
12269165742
131474761aa
14a65565a2
1566b710b2
hex41b267e2

1102211042 has 4 divisors (see below), whose sum is σ = 1653316566. Its totient is φ = 551105520.

The previous prime is 1102211027. The next prime is 1102211059. The reversal of 1102211042 is 2401122011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401122011 = 8926978899.

It can be written as a sum of positive squares in only one way, i.e., 1034329921 + 67881121 = 32161^2 + 8239^2 .

It is a super-2 number, since 2×11022110422 = 2429738362213451528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275552759 + ... + 275552762.

Almost surely, 21102211042 is an apocalyptic number.

1102211042 is a deficient number, since it is larger than the sum of its proper divisors (551105524).

1102211042 is an equidigital number, since it uses as much as digits as its factorization.

1102211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551105523.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1102211042 is about 33199.5638826777. The cubic root of 1102211042 is about 1032.9712933805.

Adding to 1102211042 its reverse (2401122011), we get a palindrome (3503333053).

The spelling of 1102211042 in words is "one billion, one hundred two million, two hundred eleven thousand, forty-two".

Divisors: 1 2 551105521 1102211042