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3124340121 = 371741920887
BaseRepresentation
bin1011101000111001…
…1010010110011001
322001201222220220210
42322032122112121
522344312340441
61234005241333
7140265311220
oct27216322631
98051886823
103124340121
111363676a81
12732403249
133aa39aa86
14218d31cb7
15134455616
hexba39a599

3124340121 has 32 divisors (see below), whose sum is σ = 5053224960. Its totient is φ = 1676226816.

The previous prime is 3124340117. The next prime is 3124340227. The reversal of 3124340121 is 1210434213.

It is not a de Polignac number, because 3124340121 - 22 = 3124340117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3124345121) 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 31 ways as a sum of consecutive naturals, for example, 139140 + ... + 160026.

It is an arithmetic number, because the mean of its divisors is an integer number (157913280).

Almost surely, 23124340121 is an apocalyptic number.

It is an amenable number.

3124340121 is a deficient number, since it is larger than the sum of its proper divisors (1928884839).

3124340121 is a wasteful number, since it uses less digits than its factorization.

3124340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21333.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3124340121 is about 55895.7969886824. The cubic root of 3124340121 is about 1461.9059553076.

Adding to 3124340121 its reverse (1210434213), we get a palindrome (4334774334).

The spelling of 3124340121 in words is "three billion, one hundred twenty-four million, three hundred forty thousand, one hundred twenty-one".

Divisors: 1 3 7 17 21 51 119 357 419 1257 2933 7123 8799 20887 21369 49861 62661 146209 149583 355079 438627 1065237 2485553 7456659 8751653 26254959 61261571 148778101 183784713 446334303 1041446707 3124340121