Search a number
-
+
2121222000002 = 2721719605311071
BaseRepresentation
bin11110110111100010101…
…011110000110110000010
321111210020121102111022212
4132313202223300312002
5234223230313000002
64302250445102122
7306152600334500
oct36674253606602
97453217374285
102121222000002
11748672578666
122a3134b57942
13125051976761
147494c211670
153a2a03b7352
hex1ede2af0d82

2121222000002 has 96 divisors (see below), whose sum is σ = 4126359905280. Its totient is φ = 810379261440.

The previous prime is 2121221999933. The next prime is 2121222000067. The reversal of 2121222000002 is 2000002221212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191596127 + ... + 191607197.

It is an arithmetic number, because the mean of its divisors is an integer number (42982915680).

Almost surely, 22121222000002 is an apocalyptic number.

2121222000002 is a deficient number, since it is larger than the sum of its proper divisors (2005137905278).

2121222000002 is a wasteful number, since it uses less digits than its factorization.

2121222000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17176 (or 17169 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2121222000002 its reverse (2000002221212), we get a palindrome (4121224221214).

The spelling of 2121222000002 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, two", and thus it is an aban number.

Divisors: 1 2 7 14 17 19 34 38 49 98 119 133 238 266 323 646 833 931 1666 1862 2261 4522 6053 11071 12106 15827 22142 31654 42371 77497 84742 102901 115007 154994 188207 205802 210349 230014 296597 376414 420698 542479 593194 720307 805049 1084958 1317449 1440614 1472443 1610098 1955119 2634898 2944886 3575933 3910238 5042149 5635343 7151866 9222143 10084298 10307101 11270686 13685833 18444286 20614202 25031531 27371666 50063062 67012763 95800831 134025526 175220717 191601662 350441434 469089341 938178682 1139216971 1273242497 2278433942 2546484994 3283625387 6567250774 7974518797 8912697479 15949037594 17825394958 21645122449 43290244898 55821631579 62388882353 111643263158 124777764706 151515857143 303031714286 1060611000001 2121222000002