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1111010009 = 19235347969
BaseRepresentation
bin100001000111000…
…1010101011011001
32212102120011012212
41002032022223121
54233404310014
6302124444505
736350300144
oct10216125331
92772504185
101111010009
1152015529a
122700a9735
13149237195
14a77a705b
156780d23e
hex4238aad9

1111010009 has 16 divisors (see below), whose sum is σ = 1243382400. Its totient is φ = 987757056.

The previous prime is 1111010003. The next prime is 1111010053. The reversal of 1111010009 is 9000101111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111010009 - 216 = 1110944473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111009975 and 1111010002.

It is not an unprimeable number, because it can be changed into a prime (1111010003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824 + ... + 47145.

It is an arithmetic number, because the mean of its divisors is an integer number (77711400).

Almost surely, 21111010009 is an apocalyptic number.

1111010009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1111010009 is a deficient number, since it is larger than the sum of its proper divisors (132372391).

1111010009 is a wasteful number, since it uses less digits than its factorization.

1111010009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48064.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 1111010009 is about 33331.8167671671. The cubic root of 1111010009 is about 1035.7127529218.

The spelling of 1111010009 in words is "one billion, one hundred eleven million, ten thousand, nine".

Divisors: 1 19 23 53 437 1007 1219 23161 47969 911411 1103287 2542357 20962453 48304783 58474211 1111010009