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10811214550 = 252216224291
BaseRepresentation
bin10100001000110011…
…00000101011010110
31000220110012121021201
422010121200223112
5134120132331200
64544441503114
7531624543643
oct120431405326
930813177251
1010811214550
114648715564
1221187a1a9a
131033a98996
14747baadca
154341ecc6a
hex284660ad6

10811214550 has 12 divisors (see below), whose sum is σ = 20108859156. Its totient is φ = 4324485800.

The previous prime is 10811214521. The next prime is 10811214559. The reversal of 10811214550 is 5541211801.

It is a super-2 number, since 2×108112145502 (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 (10811214559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108112096 + ... + 108112195.

It is an arithmetic number, because the mean of its divisors is an integer number (1675738263).

Almost surely, 210811214550 is an apocalyptic number.

10811214550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10811214550 is a deficient number, since it is larger than the sum of its proper divisors (9297644606).

10811214550 is a wasteful number, since it uses less digits than its factorization.

10811214550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216224303 (or 216224298 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 28.

The spelling of 10811214550 in words is "ten billion, eight hundred eleven million, two hundred fourteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 216224291 432448582 1081121455 2162242910 5405607275 10811214550