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11212085052 = 22327431034707
BaseRepresentation
bin10100111000100101…
…01101011100111100
31001221101111221020100
422130102231130330
5140430243210202
65052321521100
7544563102420
oct123422553474
931841457210
1011212085052
114833a254a3
12220aaa3190
131098b5356c
1478511ab80
154594d441c
hex29c4ad73c

11212085052 has 72 divisors (see below), whose sum is σ = 33143766656. Its totient is φ = 3128950944.

The previous prime is 11212085039. The next prime is 11212085063. The reversal of 11212085052 is 25058021211.

It is a happy number.

It is a super-3 number, since 3×112120850523 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506518 + ... + 528189.

Almost surely, 211212085052 is an apocalyptic number.

11212085052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212085052 is an abundant number, since it is smaller than the sum of its proper divisors (21931681604).

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

11212085052 is a wasteful number, since it uses less digits than its factorization.

11212085052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034767 (or 1034762 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The spelling of 11212085052 in words is "eleven billion, two hundred twelve million, eighty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 43 63 84 86 126 129 172 252 258 301 387 516 602 774 903 1204 1548 1806 2709 3612 5418 10836 1034707 2069414 3104121 4138828 6208242 7242949 9312363 12416484 14485898 18624726 21728847 28971796 37249452 43457694 44492401 65186541 86915388 88984802 130373082 133477203 177969604 260746164 266954406 311446807 400431609 533908812 622893614 800863218 934340421 1245787228 1601726436 1868680842 2803021263 3737361684 5606042526 11212085052