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1109430008 = 23138678751
BaseRepresentation
bin100001000100000…
…1000111011111000
32212022120212212022
41002020020323320
54233003230013
6302030534012
736330666551
oct10210107370
92768525768
101109430008
1151a276205
1226b667308
13148b02c7b
14a74b5328
15675ea008
hex42208ef8

1109430008 has 8 divisors (see below), whose sum is σ = 2080181280. Its totient is φ = 554715000.

The previous prime is 1109429987. The next prime is 1109430017. The reversal of 1109430008 is 8000349011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69339368 + ... + 69339383.

It is an arithmetic number, because the mean of its divisors is an integer number (260022660).

Almost surely, 21109430008 is an apocalyptic number.

It is an amenable number.

1109430008 is a deficient number, since it is larger than the sum of its proper divisors (970751272).

1109430008 is a wasteful number, since it uses less digits than its factorization.

1109430008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138678757 (or 138678753 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1109430008 is about 33308.1072413309. The cubic root of 1109430008 is about 1035.2215471651.

Adding to 1109430008 its reverse (8000349011), we get a palindrome (9109779019).

The spelling of 1109430008 in words is "one billion, one hundred nine million, four hundred thirty thousand, eight".

Divisors: 1 2 4 8 138678751 277357502 554715004 1109430008