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4380144321 = 37732857237
BaseRepresentation
bin1000001010001001…
…11011001011000001
3102022021000101102110
410011010323023001
532432304104241
62002345405533
7213354420030
oct40504731301
912267011373
104380144321
111948528293
12a22a998a9
1354a600497
142d7a2a717
151a9815816
hex10513b2c1

4380144321 has 16 divisors (see below), whose sum is σ = 6765939584. Its totient is φ = 2468651904.

The previous prime is 4380144277. The next prime is 4380144331. The reversal of 4380144321 is 1234410834.

It is not a de Polignac number, because 4380144321 - 29 = 4380143809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4380144331) 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 15 ways as a sum of consecutive naturals, for example, 1427086 + ... + 1430151.

It is an arithmetic number, because the mean of its divisors is an integer number (422871224).

Almost surely, 24380144321 is an apocalyptic number.

It is an amenable number.

4380144321 is a deficient number, since it is larger than the sum of its proper divisors (2385795263).

4380144321 is a wasteful number, since it uses less digits than its factorization.

4380144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857320.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4380144321 is about 66182.6587634556. The cubic root of 4380144321 is about 1636.1739483873.

The spelling of 4380144321 in words is "four billion, three hundred eighty million, one hundred forty-four thousand, three hundred twenty-one".

Divisors: 1 3 7 21 73 219 511 1533 2857237 8571711 20000659 60001977 208578301 625734903 1460048107 4380144321