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211090000239 = 33431491220251
BaseRepresentation
bin1100010010010111110…
…0011100100101101111
3202011212020002001212000
43010211330130211233
511424303020001424
6240550131143343
721152002253136
oct3044574344557
9664766061760
10211090000239
1181582890558
1234ab1744b53
1316ba0a988b1
14a306cdc91d
155756d903c9
hex3125f1c96f

211090000239 has 32 divisors (see below), whose sum is σ = 322146528000. Its totient is φ = 136531332000.

The previous prime is 211090000223. The next prime is 211090000241. The reversal of 211090000239 is 932000090112.

It is not a de Polignac number, because 211090000239 - 24 = 211090000223 is a prime.

It is a super-3 number, since 3×2110900002393 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211090002239) 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, 437137 + ... + 783114.

It is an arithmetic number, because the mean of its divisors is an integer number (10067079000).

Almost surely, 2211090000239 is an apocalyptic number.

211090000239 is a deficient number, since it is larger than the sum of its proper divisors (111056527761).

211090000239 is a wasteful number, since it uses less digits than its factorization.

211090000239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220452 (or 1220446 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 211090000239 in words is "two hundred eleven billion, ninety million, two hundred thirty-nine", and thus it is an aban number.

Divisors: 1 3 9 27 43 129 149 387 447 1161 1341 4023 6407 19221 57663 172989 1220251 3660753 10982259 32946777 52470793 157412379 181817399 472237137 545452197 1416711411 1636356591 4909069773 7818148157 23454444471 70363333413 211090000239