Search a number
-
+
23100202221200 = 2452134442346581
BaseRepresentation
bin1010100000010011011110…
…10110001111111010010000
310000210100122210220000200122
411100021233112033322100
511011433203232034300
6121044030355005412
74602635355062456
oct520115726177220
9100710583800618
1023100202221200
1173a6816a29675
122710b82b99868
13cb74554a7690
1459c0acdb49d6
152a0d5145bc85
hex15026f58fe90

23100202221200 has 60 divisors (see below), whose sum is σ = 59767330914228. Its totient is φ = 8529305433600.

The previous prime is 23100202221167. The next prime is 23100202221223. The reversal of 23100202221200 is 212220200132.

It can be written as a sum of positive squares in 6 ways, for example, as 9528729354496 + 13571472866704 = 3086864^2 + 3683948^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2221168091 + ... + 2221178490.

Almost surely, 223100202221200 is an apocalyptic number.

23100202221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100202221200 is an abundant number, since it is smaller than the sum of its proper divisors (36667128693028).

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

23100202221200 is a wasteful number, since it uses less digits than its factorization.

23100202221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442346612 (or 4442346601 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23100202221200 its reverse (212220200132), we get a palindrome (23312422421332).

The spelling of 23100202221200 in words is "twenty-three trillion, one hundred billion, two hundred two million, two hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 4442346581 8884693162 17769386324 22211732905 35538772648 44423465810 57750505553 71077545296 88846931620 111058664525 115501011106 177693863240 222117329050 231002022212 288752527765 355387726480 444234658100 462004044424 577505055530 888469316200 924008088848 1155010111060 1443762638825 1776938632400 2310020222120 2887525277650 4620040444240 5775050555300 11550101110600 23100202221200