Search a number
-
+
2121420241212 = 223536834883699
BaseRepresentation
bin11110110111101110011…
…111111111100100111100
321111210202102110012010220
4132313232133333210330
5234224132040204322
64302322250101340
7306160525345266
oct36675637774474
97453672405126
102121420241212
1174876446a178
122a318b41a850
13125083a6634c
147496a696b36
153a2b29c555c
hex1edee7ff93c

2121420241212 has 48 divisors (see below), whose sum is σ = 5050761609600. Its totient is φ = 692781863488.

The previous prime is 2121420241207. The next prime is 2121420241243.

2121420241212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007462 + ... + 2876237.

It is an arithmetic number, because the mean of its divisors is an integer number (105224200200).

Almost surely, 22121420241212 is an apocalyptic number.

It is an amenable number.

2121420241212 is an abundant number, since it is smaller than the sum of its proper divisors (2929341368388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121420241212 is a wasteful number, since it uses less digits than its factorization.

2121420241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884442 (or 4884440 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 2121420 and 241212, that added together give a palindrome (2362632).

The spelling of 2121420241212 in words is "two trillion, one hundred twenty-one billion, four hundred twenty million, two hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 683 1366 2049 2732 4098 8196 36199 72398 108597 144796 217194 434388 4883699 9767398 14651097 19534796 29302194 58604388 258836047 517672094 776508141 1035344188 1553016282 3106032564 3335566417 6671132834 10006699251 13342265668 20013398502 40026797004 176785020101 353570040202 530355060303 707140080404 1060710120606 2121420241212