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100000223120 = 245736159743
BaseRepresentation
bin101110100100001111…
…0100100111110010000
3100120010012001200022102
41131020132210332100
53114300024114440
6113534531455532
710140045605000
oct1351036447620
9316105050272
10100000223120
11394565787a6
1217469a575a8
13957888a175
144ba90bc000
152904280b15
hex17487a4f90

100000223120 has 160 divisors (see below), whose sum is σ = 275587123200. Its totient is φ = 33723164160.

The previous prime is 100000223053. The next prime is 100000223143. The reversal of 100000223120 is 21322000001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1643969 + ... + 1703711.

It is an arithmetic number, because the mean of its divisors is an integer number (1722419520).

Almost surely, 2100000223120 is an apocalyptic number.

100000223120 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 100000223120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137793561600).

100000223120 is an abundant number, since it is smaller than the sum of its proper divisors (175586900080).

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

100000223120 is an equidigital number, since it uses as much as digits as its factorization.

100000223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59838 (or 59818 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100000223120 its reverse (21322000001), we get a palindrome (121322223121).

The spelling of 100000223120 in words is "one hundred billion, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 61 70 80 98 112 122 140 196 244 245 280 305 343 392 427 488 490 560 610 686 784 854 976 980 1220 1372 1708 1715 1960 2135 2440 2744 2989 3416 3430 3920 4270 4880 5488 5978 6832 6860 8540 11956 13720 14945 17080 20923 23912 27440 29890 34160 41846 47824 59743 59780 83692 104615 119486 119560 167384 209230 238972 239120 298715 334768 418201 418460 477944 597430 836402 836920 955888 1194860 1672804 1673840 2091005 2389720 2927407 3345608 3644323 4182010 4779440 5854814 6691216 7288646 8364020 11709628 14577292 14637035 16728040 18221615 20491849 23419256 25510261 29154584 29274070 33456080 36443230 40983698 46838512 51020522 58309168 58548140 72886460 81967396 102041044 102459245 117096280 127551305 145772920 163934792 178571827 204082088 204918490 234192560 255102610 291545840 327869584 357143654 408164176 409836980 510205220 714287308 819673960 892859135 1020410440 1250002789 1428574616 1639347920 1785718270 2040820880 2500005578 2857149232 3571436540 5000011156 6250013945 7142873080 10000022312 12500027890 14285746160 20000044624 25000055780 50000111560 100000223120