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11100230232 = 2337138957107
BaseRepresentation
bin10100101011010000…
…00001001001011000
31001122121001010021020
422111220001021120
5140213124331412
65033244242440
7542034254160
oct122550011130
931577033236
1011100230232
1147868772a3
122199540420
13107b91bb90
147743215a0
1544e78c18c
hex295a01258

11100230232 has 128 divisors (see below), whose sum is σ = 34538918400. Its totient is φ = 2894588928.

The previous prime is 11100230231. The next prime is 11100230237. The reversal of 11100230232 is 23203200111.

It is a super-2 number, since 2×111002302322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100230231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165823 + ... + 222929.

It is an arithmetic number, because the mean of its divisors is an integer number (269835300).

Almost surely, 211100230232 is an apocalyptic number.

11100230232 is a gapful number since it is divisible by the number (12) 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 11100230232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17269459200).

11100230232 is an abundant number, since it is smaller than the sum of its proper divisors (23438688168).

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

11100230232 is a wasteful number, since it uses less digits than its factorization.

11100230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57225 (or 57221 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11100230232 its reverse (23203200111), we get a palindrome (34303430343).

The spelling of 11100230232 in words is "eleven billion, one hundred million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 89 91 104 156 168 178 182 267 273 312 356 364 534 546 623 712 728 1068 1092 1157 1246 1869 2136 2184 2314 2492 3471 3738 4628 4984 6942 7476 8099 9256 13884 14952 16198 24297 27768 32396 48594 57107 64792 97188 114214 171321 194376 228428 342642 399749 456856 685284 742391 799498 1199247 1370568 1484782 1598996 2227173 2398494 2969564 3197992 4454346 4796988 5082523 5196737 5939128 8908692 9593976 10165046 10393474 15247569 15590211 17817384 20330092 20786948 30495138 31180422 35577661 40660184 41573896 60990276 62360844 66072799 71155322 106732983 121980552 124721688 132145598 142310644 198218397 213465966 264291196 284621288 396436794 426931932 462509593 528582392 792873588 853863864 925019186 1387528779 1585747176 1850038372 2775057558 3700076744 5550115116 11100230232