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1101000442 = 2550500221
BaseRepresentation
bin100000110011111…
…1110111011111010
32211201201121200011
41001213332323322
54223324003232
6301130132134
736166230553
oct10147767372
92751647604
101101000442
11515538a23
1226888104a
13147141169
14a631d32a
15669d2547
hex419feefa

1101000442 has 4 divisors (see below), whose sum is σ = 1651500666. Its totient is φ = 550500220.

The previous prime is 1101000419. The next prime is 1101000449. The reversal of 1101000442 is 2440001011.

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

It can be written as a sum of positive squares in only one way, i.e., 1040643081 + 60357361 = 32259^2 + 7769^2 .

It is not an unprimeable number, because it can be changed into a prime (1101000449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275250109 + ... + 275250112.

Almost surely, 21101000442 is an apocalyptic number.

1101000442 is a deficient number, since it is larger than the sum of its proper divisors (550500224).

1101000442 is an equidigital number, since it uses as much as digits as its factorization.

1101000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550500223.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1101000442 is about 33181.3267064474. The cubic root of 1101000442 is about 1032.5929710481.

Adding to 1101000442 its reverse (2440001011), we get a palindrome (3541001453).

The spelling of 1101000442 in words is "one billion, one hundred one million, four hundred forty-two", and thus it is an aban number.

Divisors: 1 2 550500221 1101000442