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3120121010 = 251757132143
BaseRepresentation
bin1011100111111001…
…0100010010110010
322001110001120101102
42321332110102302
522342222333020
61233335004402
7140214406466
oct27176242262
98043046342
103120121010
111361255106
12730b09702
133a9551566
142185544a6
15133dc0475
hexb9f944b2

3120121010 has 32 divisors (see below), whose sum is σ = 5957183232. Its totient is φ = 1172540160.

The previous prime is 3120121007. The next prime is 3120121019. The reversal of 3120121010 is 101210213.

It is a junction number, because it is equal to n+sod(n) for n = 3120120982 and 3120121000.

It is not an unprimeable number, because it can be changed into a prime (3120121019) 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 15 ways as a sum of consecutive naturals, for example, 80999 + ... + 113141.

It is an arithmetic number, because the mean of its divisors is an integer number (186161976).

Almost surely, 23120121010 is an apocalyptic number.

3120121010 is a deficient number, since it is larger than the sum of its proper divisors (2837062222).

3120121010 is a wasteful number, since it uses less digits than its factorization.

3120121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32738.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3120121010 is about 55858.0433778341. The cubic root of 3120121010 is about 1461.2476059451.

Adding to 3120121010 its reverse (101210213), we get a palindrome (3221331223).

The spelling of 3120121010 in words is "three billion, one hundred twenty million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 571 1142 2855 5710 9707 19414 32143 48535 64286 97070 160715 321430 546431 1092862 2732155 5464310 18353653 36707306 91768265 183536530 312012101 624024202 1560060505 3120121010