Search a number
-
+
11205122208 = 253761273349
BaseRepresentation
bin10100110111110000…
…01001100010100000
31001220220102012000020
422123320021202200
5140422002402313
65051512353440
7544446652530
oct123370114240
931826365006
1011205122208
11482aaaa185
1222086a5880
131097586237
147842274c0
15458aab323
hex29be098a0

11205122208 has 96 divisors (see below), whose sum is σ = 34166563200. Its totient is φ = 3148968960.

The previous prime is 11205122197. The next prime is 11205122231. The reversal of 11205122208 is 80222150211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95683 + ... + 177666.

It is an arithmetic number, because the mean of its divisors is an integer number (355901700).

Almost surely, 211205122208 is an apocalyptic number.

It is an amenable number.

11205122208 is an abundant number, since it is smaller than the sum of its proper divisors (22961440992).

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

11205122208 is a wasteful number, since it uses less digits than its factorization.

11205122208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273430 (or 273422 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 11205122208 its reverse (80222150211), we get a palindrome (91427272419).

The spelling of 11205122208 in words is "eleven billion, two hundred five million, one hundred twenty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 61 84 96 112 122 168 183 224 244 336 366 427 488 672 732 854 976 1281 1464 1708 1952 2562 2928 3416 5124 5856 6832 10248 13664 20496 40992 273349 546698 820047 1093396 1640094 1913443 2186792 3280188 3826886 4373584 5740329 6560376 7653772 8747168 11480658 13120752 15307544 16674289 22961316 26241504 30615088 33348578 45922632 50022867 61230176 66697156 91845264 100045734 116720023 133394312 183690528 200091468 233440046 266788624 350160069 400182936 466880092 533577248 700320138 800365872 933760184 1400640276 1600731744 1867520368 2801280552 3735040736 5602561104 11205122208