Search a number
-
+
100201221011200 = 285281231927421
BaseRepresentation
bin10110110010000111101010…
…001011110011011100000000
3111010210010212101011000021011
4112302013222023303130000
5101113144100034324300
6553035445551210304
730051204444414541
oct2662075213633400
9433703771130234
10100201221011200
1129a22110025141
12b2a3802216994
1343bac1c40504a
141aa5a9d1324c8
15b8b6e502eeba
hex5b21ea2f3700

100201221011200 has 108 divisors (see below), whose sum is σ = 248044339411848. Its totient is φ = 40075533414400.

The previous prime is 100201221011197. The next prime is 100201221011201. The reversal of 100201221011200 is 2110122102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201221011201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51023490 + ... + 52950910.

It is an arithmetic number, because the mean of its divisors is an integer number (2296706846406).

Almost surely, 2100201221011200 is an apocalyptic number.

100201221011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100201221011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124022169705924).

100201221011200 is an abundant number, since it is smaller than the sum of its proper divisors (147843118400648).

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

100201221011200 is an equidigital number, since it uses as much as digits as its factorization.

100201221011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935570 (or 1935551 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100201221011200 its reverse (2110122102001), we get a palindrome (102311343113201).

The spelling of 100201221011200 in words is "one hundred trillion, two hundred one billion, two hundred twenty-one million, eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 8123 16246 32492 40615 64984 81230 129968 162460 203075 259936 324920 406150 519872 649840 812300 1039744 1299680 1624600 1927421 2079488 2599360 3249200 3854842 5198720 6498400 7709684 9637105 10397440 12996800 15419368 19274210 25993600 30838736 38548420 48185525 51987200 61677472 77096840 96371050 123354944 154193680 192742100 246709888 308387360 385484200 493419776 616774720 770968400 1233549440 1541936800 2467098880 3083873600 6167747200 12335494400 15656440783 31312881566 62625763132 78282203915 125251526264 156564407830 250503052528 313128815660 391411019575 501006105056 626257631320 782822039150 1002012210112 1252515262640 1565644078300 2004024420224 2505030525280 3131288156600 4008048840448 5010061050560 6262576313200 10020122101120 12525152626400 20040244202240 25050305252800 50100610505600 100201221011200