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211033021332 = 22372512297873
BaseRepresentation
bin1100010010001010001…
…1000101101110010100
3202011201020212020111010
43010202203011232110
511424143423140312
6240540334012220
721150411040650
oct3044243055624
9664636766433
10211033021332
1181553703451
1234a96647070
1316b92038a73
14a2dd509a60
155751d8793c
hex31228c5b94

211033021332 has 24 divisors (see below), whose sum is σ = 562754723776. Its totient is φ = 60295148928.

The previous prime is 211033021249. The next prime is 211033021379. The reversal of 211033021332 is 233120330112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 211033021299 and 211033021308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256148853 + ... + 1256149020.

Almost surely, 2211033021332 is an apocalyptic number.

It is an amenable number.

211033021332 is an abundant number, since it is smaller than the sum of its proper divisors (351721702444).

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

211033021332 is a wasteful number, since it uses less digits than its factorization.

211033021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512297887 (or 2512297885 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211033021332 its reverse (233120330112), we get a palindrome (444153351444).

The spelling of 211033021332 in words is "two hundred eleven billion, thirty-three million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2512297873 5024595746 7536893619 10049191492 15073787238 17586085111 30147574476 35172170222 52758255333 70344340444 105516510666 211033021332