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242850481989 = 389909552367
BaseRepresentation
bin1110001000101100000…
…1000100011101000101
3212012211200000201011220
43202023001010131011
512434324210410424
6303321452350553
723355030015633
oct3421301043505
9765750021156
10242850481989
1193aa0847585
123b096175459
1319b92ac556b
14ba7b094353
1564b5318579
hex388b044745

242850481989 has 8 divisors (see below), whose sum is σ = 327438852480. Its totient is φ = 160081216416.

The previous prime is 242850481981. The next prime is 242850482081. The reversal of 242850481989 is 989184058242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242850481989 - 23 = 242850481981 is a prime.

It is a super-2 number, since 2×2428504819892 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242850481981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454775917 + ... + 454776450.

It is an arithmetic number, because the mean of its divisors is an integer number (40929856560).

Almost surely, 2242850481989 is an apocalyptic number.

It is an amenable number.

242850481989 is a deficient number, since it is larger than the sum of its proper divisors (84588370491).

242850481989 is an equidigital number, since it uses as much as digits as its factorization.

242850481989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909552459.

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 242850481989 in words is "two hundred forty-two billion, eight hundred fifty million, four hundred eighty-one thousand, nine hundred eighty-nine".

Divisors: 1 3 89 267 909552367 2728657101 80950160663 242850481989