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1101431030 = 25715734729
BaseRepresentation
bin100000110100110…
…1000000011110110
32211202112111022212
41001221220003312
54223431243110
6301143253422
736203003120
oct10151500366
92752474285
101101431030
11515802487
12268a4a272
1314726214b
14a63d2210
1566a69e05
hex41a680f6

1101431030 has 16 divisors (see below), whose sum is σ = 2265801120. Its totient is φ = 377633472.

The previous prime is 1101430963. The next prime is 1101431033. The reversal of 1101431030 is 301341011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1101430996 and 1101431014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101431033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7867295 + ... + 7867434.

It is an arithmetic number, because the mean of its divisors is an integer number (141612570).

Almost surely, 21101431030 is an apocalyptic number.

1101431030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101431030 is an abundant number, since it is smaller than the sum of its proper divisors (1164370090).

1101431030 is a wasteful number, since it uses less digits than its factorization.

1101431030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734743.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1101431030 is about 33187.8144806192. The cubic root of 1101431030 is about 1032.7275650578.

Adding to 1101431030 its reverse (301341011), we get a palindrome (1402772041).

The spelling of 1101431030 in words is "one billion, one hundred one million, four hundred thirty-one thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 15734729 31469458 78673645 110143103 157347290 220286206 550715515 1101431030