Search a number
-
+
21132102313120 = 255433071526499
BaseRepresentation
bin1001100111000001100110…
…11100111010010010100000
32202211012122112200202012111
410303200303130322102200
510232212021143004440
6112535542003405104
74310513123635021
oct463406334722240
982735575622174
1021132102313120
11680808a930017
122453662383794
13ba3996b71a56
14530b2905cc48
15269a63cd34ea
hex13383373a4a0

21132102313120 has 48 divisors (see below), whose sum is σ = 51085628748000. Its totient is φ = 8256263226624.

The previous prime is 21132102312989. The next prime is 21132102313169. The reversal of 21132102313120 is 2131320123112.

It is a junction number, because it is equal to n+sod(n) for n = 21132102313091 and 21132102313100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535756370 + ... + 1535770129.

It is an arithmetic number, because the mean of its divisors is an integer number (1064283932250).

Almost surely, 221132102313120 is an apocalyptic number.

21132102313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132102313120 is an abundant number, since it is smaller than the sum of its proper divisors (29953526434880).

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

21132102313120 is a wasteful number, since it uses less digits than its factorization.

21132102313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071526557 (or 3071526549 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21132102313120 its reverse (2131320123112), we get a palindrome (23263422436232).

The spelling of 21132102313120 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred two million, three hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 860 1376 1720 3440 6880 3071526499 6143052998 12286105996 15357632495 24572211992 30715264990 49144423984 61430529980 98288847968 122861059960 132075639457 245722119920 264151278914 491444239840 528302557828 660378197285 1056605115656 1320756394570 2113210231312 2641512789140 4226420462624 5283025578280 10566051156560 21132102313120