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242855407345 = 571817983641
BaseRepresentation
bin1110001000101101001…
…1110110111011110001
3212012212000021221111111
43202023103312323301
512434331441013340
6303322150113321
723355116621365
oct3421323667361
9765760257444
10242855407345
1193aa3601021
123b09794b841
1319b93b2b385
14ba7b9b72a5
1564b598caea
hex388b4f6ef1

242855407345 has 16 divisors (see below), whose sum is σ = 295570753920. Its totient is φ = 191522217600.

The previous prime is 242855407343. The next prime is 242855407351. The reversal of 242855407345 is 543704558242.

It is not a de Polignac number, because 242855407345 - 21 = 242855407343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242855407343) 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, 2861725 + ... + 2945365.

It is an arithmetic number, because the mean of its divisors is an integer number (18473172120).

Almost surely, 2242855407345 is an apocalyptic number.

It is an amenable number.

242855407345 is a deficient number, since it is larger than the sum of its proper divisors (52715346575).

242855407345 is an equidigital number, since it uses as much as digits as its factorization.

242855407345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91896.

The product of its (nonzero) digits is 5376000, while the sum is 49.

The spelling of 242855407345 in words is "two hundred forty-two billion, eight hundred fifty-five million, four hundred seven thousand, three hundred forty-five".

Divisors: 1 5 71 355 8179 40895 83641 418205 580709 2903545 5938511 29692555 684099739 3420498695 48571081469 242855407345