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4920938321 = 133710230641
BaseRepresentation
bin1001001010100111…
…11000111101010001
3110200221121120022212
410211103320331101
540034230011241
62132144441505
7232642166645
oct44523707521
913627546285
104920938321
1120a5817882
12b54019295
13605669630
143497a0c25
151dc03abeb
hex1254f8f51

4920938321 has 8 divisors (see below), whose sum is σ = 5442701544. Its totient is φ = 4419636480.

The previous prime is 4920938317. The next prime is 4920938327. The reversal of 4920938321 is 1238390294.

It can be written as a sum of positive squares in 4 ways, for example, as 1555198096 + 3365740225 = 39436^2 + 58015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4920938321 - 22 = 4920938317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4920938327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5114840 + ... + 5115801.

It is an arithmetic number, because the mean of its divisors is an integer number (680337693).

Almost surely, 24920938321 is an apocalyptic number.

It is an amenable number.

4920938321 is a deficient number, since it is larger than the sum of its proper divisors (521763223).

4920938321 is a wasteful number, since it uses less digits than its factorization.

4920938321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10230691.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 4920938321 is about 70149.4000045617. The cubic root of 4920938321 is about 1700.9151152607.

The spelling of 4920938321 in words is "four billion, nine hundred twenty million, nine hundred thirty-eight thousand, three hundred twenty-one".

Divisors: 1 13 37 481 10230641 132998333 378533717 4920938321