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212235543480 = 23351768629529
BaseRepresentation
bin1100010110101000111…
…0010110001110111000
3202021211001121200202110
43011222032112032320
511434124244342410
6241255532132320
721222252232302
oct3055216261670
9667731550673
10212235543480
1182010482104
12351713070a0
131702420422c
14a3b50d4972
1557c2720720
hex316a3963b8

212235543480 has 32 divisors (see below), whose sum is σ = 636706630800. Its totient is φ = 56596144896.

The previous prime is 212235543473. The next prime is 212235543491. The reversal of 212235543480 is 84345532212.

212235543480 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884314645 + ... + 884314884.

Almost surely, 2212235543480 is an apocalyptic number.

212235543480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212235543480 is an abundant number, since it is smaller than the sum of its proper divisors (424471087320).

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

212235543480 is a wasteful number, since it uses less digits than its factorization.

212235543480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768629543 (or 1768629539 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 212235543480 in words is "two hundred twelve billion, two hundred thirty-five million, five hundred forty-three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1768629529 3537259058 5305888587 7074518116 8843147645 10611777174 14149036232 17686295290 21223554348 26529442935 35372590580 42447108696 53058885870 70745181160 106117771740 212235543480