Search a number
-
+
2122652021440 = 26517203385589
BaseRepresentation
bin11110111000110111111…
…010110111001011000000
321111220221021021002221211
4132320313322313023000
5234234142404141230
64303044411255504
7306233203325266
oct36706772671300
97456837232854
102122652021440
11749236801965
122a3473a4a594
1312521c006ba2
1474a460da436
153a335bdc42a
hex1ee37eb72c0

2122652021440 has 56 divisors (see below), whose sum is σ = 5054872054320. Its totient is φ = 849009251328.

The previous prime is 2122652021411. The next prime is 2122652021447. The reversal of 2122652021440 is 441202562212.

It is not an unprimeable number, because it can be changed into a prime (2122652021447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312166 + ... + 5697754.

Almost surely, 22122652021440 is an apocalyptic number.

2122652021440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122652021440 is an abundant number, since it is smaller than the sum of its proper divisors (2932220032880).

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

2122652021440 is a wasteful number, since it uses less digits than its factorization.

2122652021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402809 (or 402799 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2122652021440 its reverse (441202562212), we get a palindrome (2563854583652).

The spelling of 2122652021440 in words is "two trillion, one hundred twenty-two billion, six hundred fifty-two million, twenty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 17203 34406 68812 86015 137624 172030 275248 344060 385589 550496 688120 771178 1100992 1376240 1542356 1927945 2752480 3084712 3855890 5504960 6169424 7711780 12338848 15423560 24677696 30847120 61694240 123388480 6633287567 13266575134 26533150268 33166437835 53066300536 66332875670 106132601072 132665751340 212265202144 265331502680 424530404288 530663005360 1061326010720 2122652021440