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242783510315 = 5374013327023
BaseRepresentation
bin1110001000011100000…
…1100101111100101011
3212012200000000012022112
43202013001211330223
512434210034312230
6303311101112535
723353254534143
oct3420701457453
9765600005275
10242783510315
1193a66a64795
123b07785874b
1319b81c77258
14ba7221d923
1564ae4d9d95
hex3887065f2b

242783510315 has 16 divisors (see below), whose sum is σ = 299289748608. Its totient is φ = 188929766016.

The previous prime is 242783510311. The next prime is 242783510401. The reversal of 242783510315 is 513015387242.

242783510315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242783510315 - 22 = 242783510311 is a prime.

It is a super-2 number, since 2×2427835103152 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242783510311) 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 15 ways as a sum of consecutive naturals, for example, 578894 + ... + 905916.

It is an arithmetic number, because the mean of its divisors is an integer number (18705609288).

Almost surely, 2242783510315 is an apocalyptic number.

242783510315 is a deficient number, since it is larger than the sum of its proper divisors (56506238293).

242783510315 is a wasteful number, since it uses less digits than its factorization.

242783510315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331078.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 242783510315 its reverse (513015387242), we get a palindrome (755798897557).

The spelling of 242783510315 in words is "two hundred forty-two billion, seven hundred eighty-three million, five hundred ten thousand, three hundred fifteen".

Divisors: 1 5 37 185 4013 20065 148481 327023 742405 1635115 12099851 60499255 1312343299 6561716495 48556702063 242783510315