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212124024207 = 338620191141
BaseRepresentation
bin1100010110001110010…
…0111011110110001111
3202021112021202221002000
43011203210323312033
511433412222233312
6241240510003343
721216426312234
oct3054344736617
9667467687060
10212124024207
1181a63533017
123513baa6553
13170070894b4
14a3a438578b
1557b7a42adc
hex316393bd8f

212124024207 has 16 divisors (see below), whose sum is σ = 314264907360. Its totient is φ = 141412824000.

The previous prime is 212124024179. The next prime is 212124024221. The reversal of 212124024207 is 702420421212.

It is a happy number.

212124024207 is a `hidden beast` number, since 2 + 1 + 212 + 402 + 42 + 0 + 7 = 666.

It is not a de Polignac number, because 212124024207 - 26 = 212124024143 is a prime.

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 (212124024257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281857 + ... + 2372997.

It is an arithmetic number, because the mean of its divisors is an integer number (19641556710).

Almost surely, 2212124024207 is an apocalyptic number.

212124024207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

212124024207 is a deficient number, since it is larger than the sum of its proper divisors (102140883153).

212124024207 is an equidigital number, since it uses as much as digits as its factorization.

212124024207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177351 (or 177345 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

Adding to 212124024207 its reverse (702420421212), we get a palindrome (914544445419).

The spelling of 212124024207 in words is "two hundred twelve billion, one hundred twenty-four million, twenty-four thousand, two hundred seven".

Divisors: 1 3 9 27 86201 91141 258603 273423 775809 820269 2327427 2460807 7856445341 23569336023 70708008069 212124024207