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215056011060 = 2232511108614147
BaseRepresentation
bin1100100001001001010…
…1100100111100110100
3202120002121211021220200
43020102111210330310
512010413314323220
6242443444400500
721352200634662
oct3102225447464
9676077737820
10215056011060
118322856a150
12358199a6130
1317383649667
14a5a1925c32
1558da14e890
hex3212564f34

215056011060 has 72 divisors (see below), whose sum is σ = 711639897696. Its totient is φ = 52134790080.

The previous prime is 215056011041. The next prime is 215056011061. The reversal of 215056011060 is 60110650512.

It is a happy number.

215056011060 is a `hidden beast` number, since 2 + 1 + 50 + 5 + 601 + 1 + 0 + 6 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215056011061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54305094 + ... + 54309053.

It is an arithmetic number, because the mean of its divisors is an integer number (9883887468).

Almost surely, 2215056011060 is an apocalyptic number.

215056011060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215056011060 is an abundant number, since it is smaller than the sum of its proper divisors (496583886636).

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

215056011060 is a wasteful number, since it uses less digits than its factorization.

215056011060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108614173 (or 108614168 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 215056011060 its reverse (60110650512), we get a palindrome (275166661572).

The spelling of 215056011060 in words is "two hundred fifteen billion, fifty-six million, eleven thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 108614147 217228294 325842441 434456588 543070735 651684882 977527323 1086141470 1194755617 1303369764 1629212205 1955054646 2172282940 2389511234 3258424410 3584266851 3910109292 4779022468 4887636615 5973778085 6516848820 7168533702 9775273230 10752800553 11947556170 14337067404 17921334255 19550546460 21505601106 23895112340 35842668510 43011202212 53764002765 71685337020 107528005530 215056011060