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211400032230 = 23253626964763
BaseRepresentation
bin1100010011100001101…
…1000111111111100110
3202012122211110022210100
43010320123013333212
511430421402012410
6241041004204530
721162455424402
oct3047033077746
9665584408710
10211400032230
1181721897142
1234b79539746
1316c2009998a
14a336164102
1557741d18c0
hex31386c7fe6

211400032230 has 48 divisors (see below), whose sum is σ = 549663725520. Its totient is φ = 56370917184.

The previous prime is 211400032213. The next prime is 211400032231. The reversal of 211400032230 is 32230004112.

211400032230 is a `hidden beast` number, since 2 + 1 + 1 + 400 + 0 + 32 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211400032231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3231829 + ... + 3296591.

It is an arithmetic number, because the mean of its divisors is an integer number (11451327615).

Almost surely, 2211400032230 is an apocalyptic number.

211400032230 is an abundant number, since it is smaller than the sum of its proper divisors (338263693290).

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

211400032230 is a wasteful number, since it uses less digits than its factorization.

211400032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101045 (or 101042 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 211400032230 its reverse (32230004112), we get a palindrome (243630036342).

The spelling of 211400032230 in words is "two hundred eleven billion, four hundred million, thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 36269 64763 72538 108807 129526 181345 194289 217614 323815 326421 362690 388578 544035 582867 647630 652842 971445 1088070 1165734 1632105 1942890 2914335 3264210 5828670 2348889247 4697778494 7046667741 11744446235 14093335482 21140003223 23488892470 35233338705 42280006446 70466677410 105700016115 211400032230