Search a number
-
+
22331110100 = 225213531013209
BaseRepresentation
bin10100110011000010…
…011011001011010100
32010122021220221010212
4110303002123023110
5331213231010400
614131521104552
71420246206155
oct246302331324
963567827125
1022331110100
11951a3695a2
1243b2788158
13214b623120
14111bb3192c
158aa735335
hex53309b2d4

22331110100 has 144 divisors (see below), whose sum is σ = 53713905840. Its totient is φ = 8007168000.

The previous prime is 22331110093. The next prime is 22331110163. The reversal of 22331110100 is 101113322.

It can be written as a sum of positive squares in 24 ways, for example, as 8901545104 + 13429564996 = 94348^2 + 115886^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6957296 + ... + 6960504.

It is an arithmetic number, because the mean of its divisors is an integer number (373013235).

Almost surely, 222331110100 is an apocalyptic number.

22331110100 is a gapful number since it is divisible by the number (20) 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 22331110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26856952920).

22331110100 is an abundant number, since it is smaller than the sum of its proper divisors (31382795740).

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

22331110100 is a wasteful number, since it uses less digits than its factorization.

22331110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 22331110100 its reverse (101113322), we get a palindrome (22432223422).

The spelling of 22331110100 in words is "twenty-two billion, three hundred thirty-one million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 53 65 100 101 106 130 202 212 260 265 325 404 505 530 650 689 1010 1060 1300 1313 1325 1378 2020 2525 2626 2650 2756 3209 3445 5050 5252 5300 5353 6418 6565 6890 10100 10706 12836 13130 13780 16045 17225 21412 26260 26765 32090 32825 34450 41717 53530 64180 65650 68900 69589 80225 83434 107060 131300 133825 139178 160450 166868 170077 208585 267650 278356 320900 324109 340154 347945 417170 535300 648218 680308 695890 834340 850385 1042925 1296436 1391780 1620545 1700770 1739725 2085850 2211001 3241090 3401540 3479450 4171700 4213417 4251925 4422002 6482180 6958900 8102725 8426834 8503850 8844004 11055005 16205450 16853668 17007700 17177777 21067085 22110010 32410900 34355554 42134170 44220020 55275025 68711108 84268340 85888885 105335425 110550050 171777770 210670850 221100100 223311101 343555540 421341700 429444425 446622202 858888850 893244404 1116555505 1717777700 2233111010 4466222020 5582777525 11165555050 22331110100