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11011212030 = 2357134033411
BaseRepresentation
bin10100100000101000…
…11100001011111110
31001102101112112020210
422100110130023332
5140022332241110
65020344253250
7536603520660
oct122024341376
931371475223
1011011212030
1147405a6635
122173771226
131066351aa0
1476658c530
15446a56520
hex29051c2fe

11011212030 has 64 divisors (see below), whose sum is σ = 32525434368. Its totient is φ = 2323244160.

The previous prime is 11011212019. The next prime is 11011212061. The reversal of 11011212030 is 3021211011.

It is a junction number, because it is equal to n+sod(n) for n = 11011211997 and 11011212015.

It is a congruent 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, 2013976 + ... + 2019435.

It is an arithmetic number, because the mean of its divisors is an integer number (508209912).

Almost surely, 211011212030 is an apocalyptic number.

11011212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011212030 is an abundant number, since it is smaller than the sum of its proper divisors (21514222338).

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

11011212030 is a wasteful number, since it uses less digits than its factorization.

11011212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033441.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11011212030 its reverse (3021211011), we get a palindrome (14032423041).

The spelling of 11011212030 in words is "eleven billion, eleven million, two hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 4033411 8066822 12100233 20167055 24200466 28233877 40334110 52434343 56467754 60501165 84701631 104868686 121002330 141169385 157303029 169403262 262171715 282338770 314606058 367040401 423508155 524343430 734080802 786515145 847016310 1101121203 1573030290 1835202005 2202242406 3670404010 5505606015 11011212030