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242121420203 = 1390289206279
BaseRepresentation
bin1110000101111110001…
…1111010110110101011
3212010221212011112102112
43201133203322312223
512431331040421303
6303121250152535
723330665054235
oct3413743726653
9763855145375
10242121420203
1193757258683
123ab11b8274b
1319aa7a4c260
14ba0c313255
1564713050d8
hex385f8fadab

242121420203 has 8 divisors (see below), whose sum is σ = 260750296800. Its totient is φ = 223493136768.

The previous prime is 242121420169. The next prime is 242121420227. The reversal of 242121420203 is 302024121242.

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

It is a cyclic number.

It is not a de Polignac number, because 242121420203 - 214 = 242121403819 is a prime.

It is a super-2 number, since 2×2421214202032 (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 (242121620203) 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, 1070618 + ... + 1276896.

It is an arithmetic number, because the mean of its divisors is an integer number (32593787100).

Almost surely, 2242121420203 is an apocalyptic number.

242121420203 is a deficient number, since it is larger than the sum of its proper divisors (18628876597).

242121420203 is a wasteful number, since it uses less digits than its factorization.

242121420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296581.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 242121420203 its reverse (302024121242), we get a palindrome (544145541445).

The spelling of 242121420203 in words is "two hundred forty-two billion, one hundred twenty-one million, four hundred twenty thousand, two hundred three".

Divisors: 1 13 90289 206279 1173757 2681627 18624724631 242121420203