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212110230015 = 37524477927
BaseRepresentation
bin1100010110001011000…
…0010100000111111111
3202021111022211010000000
43011202300110013333
511433400204330030
6241235254205343
721216201131025
oct3054260240777
9667438733000
10212110230015
1181a56771262
1235137353853
1317004269958
14a3a25d4715
1557b671a860
hex3162c141ff

212110230015 has 64 divisors (see below), whose sum is σ = 381944401920. Its totient is φ = 113064960672.

The previous prime is 212110230011. The next prime is 212110230019. The reversal of 212110230015 is 510032011212.

212110230015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212110230011) and next prime (212110230019).

It is not a de Polignac number, because 212110230015 - 22 = 212110230011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212110230015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110230011) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 26753982 + ... + 26761908.

It is an arithmetic number, because the mean of its divisors is an integer number (5967881280).

Almost surely, 2212110230015 is an apocalyptic number.

212110230015 is a deficient number, since it is larger than the sum of its proper divisors (169834171905).

212110230015 is an frugal number, since it uses more digits than its factorization.

212110230015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400 (or 10382 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 212110230015 its reverse (510032011212), we get a palindrome (722142241227).

The spelling of 212110230015 in words is "two hundred twelve billion, one hundred ten million, two hundred thirty thousand, fifteen".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 2187 2447 3645 7341 7927 10935 12235 22023 23781 36705 39635 66069 71343 110115 118905 198207 214029 330345 356715 594621 642087 991035 1070145 1783863 1926261 2973105 3210435 5351589 5778783 8919315 9631305 17336349 19397369 26757945 28893915 58192107 86681745 96986845 174576321 290960535 523728963 872881605 1571186889 2618644815 4713560667 7855934445 14140682001 23567803335 42422046003 70703410005 212110230015