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9144434690 = 255659161591
BaseRepresentation
bin10001000010000110…
…10000000000000010
3212121021212102011022
420201003100000002
5122211433402230
64111220545442
7442415261306
oct104103200002
925537772138
109144434690
113972882146
121932552282
13b29681001
1462a691d06
15387c0c1e5
hex2210d0002

9144434690 has 16 divisors (see below), whose sum is σ = 16462992960. Its totient is φ = 3657104880.

The previous prime is 9144434681. The next prime is 9144434693. The reversal of 9144434690 is 964344419.

It is a super-2 number, since 2×91444346902 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9144434693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24206 + ... + 137385.

It is an arithmetic number, because the mean of its divisors is an integer number (1028937060).

Almost surely, 29144434690 is an apocalyptic number.

9144434690 is a deficient number, since it is larger than the sum of its proper divisors (7318558270).

9144434690 is a wasteful number, since it uses less digits than its factorization.

9144434690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167257.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 9144434690 is about 95626.5375824096. The cubic root of 9144434690 is about 2091.1520925339.

The spelling of 9144434690 in words is "nine billion, one hundred forty-four million, four hundred thirty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 5659 11318 28295 56590 161591 323182 807955 1615910 914443469 1828886938 4572217345 9144434690