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4379748121 = 719535910531
BaseRepresentation
bin1000001010000110…
…11010011100011001
3102022020021020221101
410011003122130121
532432203414441
62002333111401
7213351146650
oct40503323431
912266236841
104379748121
111948287651
12a22928561
1354a4c2048
142d7966197
151a9788231
hex1050da719

4379748121 has 32 divisors (see below), whose sum is σ = 5459788800. Its totient is φ = 3429915840.

The previous prime is 4379748091. The next prime is 4379748133. The reversal of 4379748121 is 1218479734.

It is a cyclic number.

It is not a de Polignac number, because 4379748121 - 27 = 4379747993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4379728121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410626 + ... + 421156.

It is an arithmetic number, because the mean of its divisors is an integer number (170618400).

Almost surely, 24379748121 is an apocalyptic number.

It is an amenable number.

4379748121 is a deficient number, since it is larger than the sum of its proper divisors (1080040679).

4379748121 is a wasteful number, since it uses less digits than its factorization.

4379748121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669.

The product of its digits is 338688, while the sum is 46.

The square root of 4379748121 is about 66179.6654645519. The cubic root of 4379748121 is about 1636.1246142697.

The spelling of 4379748121 in words is "four billion, three hundred seventy-nine million, seven hundred forty-eight thousand, one hundred twenty-one".

Divisors: 1 7 19 53 59 133 371 413 1007 1121 3127 7049 7847 10531 21889 59413 73717 200089 415891 558143 621329 1400623 3907001 4349303 10604717 11805251 32930437 74233019 82636757 230513059 625678303 4379748121