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242552215212015 = 3517683914445947
BaseRepresentation
bin110111001001100110010110…
…101000001000111111101111
31011210210202122220202020022210
4313021212112220020333233
5223242433414043241030
62215510541023141503
7102042551001625632
oct6711462650107757
91153722586666283
10242552215212015
11703148a9189285
12232542b2144893
13a545763c04b17
1443c78387bdc19
151d09516985bb0
hexdc9996a08fef

242552215212015 has 16 divisors (see below), whose sum is σ = 388105491466368. Its totient is φ = 129353865737376.

The previous prime is 242552215211869. The next prime is 242552215212019. The reversal of 242552215212015 is 510212512255242.

It is not a de Polignac number, because 242552215212015 - 215 = 242552215179247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242552215212019) 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, 456957729 + ... + 457488218.

It is an arithmetic number, because the mean of its divisors is an integer number (24256593216648).

Almost surely, 2242552215212015 is an apocalyptic number.

242552215212015 is a deficient number, since it is larger than the sum of its proper divisors (145553276254353).

242552215212015 is a wasteful number, since it uses less digits than its factorization.

242552215212015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914463638.

The product of its (nonzero) digits is 160000, while the sum is 39.

Adding to 242552215212015 its reverse (510212512255242), we get a palindrome (752764727467257).

The spelling of 242552215212015 in words is "two hundred forty-two trillion, five hundred fifty-two billion, two hundred fifteen million, two hundred twelve thousand, fifteen".

Divisors: 1 3 5 15 17683 53049 88415 265245 914445947 2743337841 4572229735 13716689205 16170147680801 48510443042403 80850738404005 242552215212015