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3213110121 = 3131919012281
BaseRepresentation
bin1011111110000100…
…0010101101101001
322021221000220110120
42333201002231221
523040024010441
61250500033453
7142423661664
oct27741025551
98257026416
103213110121
1113a9798211
12758092889
133c28abbc0
14226a3c6db
1513c13c966
hexbf842b69

3213110121 has 32 divisors (see below), whose sum is σ = 4861207680. Its totient is φ = 1871424000.

The previous prime is 3213110101. The next prime is 3213110123. The reversal of 3213110121 is 1210113123.

It is a happy number.

It is not a de Polignac number, because 3213110121 - 26 = 3213110057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3213110121.

It is not an unprimeable number, because it can be changed into a prime (3213110123) 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, 1407501 + ... + 1409781.

It is an arithmetic number, because the mean of its divisors is an integer number (151912740).

Almost surely, 23213110121 is an apocalyptic number.

It is an amenable number.

3213110121 is a deficient number, since it is larger than the sum of its proper divisors (1648097559).

3213110121 is a wasteful number, since it uses less digits than its factorization.

3213110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3213110121 is about 56684.3022449778. The cubic root of 3213110121 is about 1475.6222782366.

Adding to 3213110121 its reverse (1210113123), we get a palindrome (4423223244).

The spelling of 3213110121 in words is "three billion, two hundred thirteen million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 3 13 19 39 57 247 741 1901 2281 5703 6843 24713 29653 36119 43339 74139 88959 108357 130017 469547 563407 1408641 1690221 4336181 13008543 56370353 82387439 169111059 247162317 1071036707 3213110121