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242030505301531 = 1912738447647449
BaseRepresentation
bin110111000010000000011110…
…010010110001011000011011
31011201221220001001111210121121
4313002000132102301120123
5223210411433324122111
62214431140145150111
7101660061355562512
oct6702003622613033
91151856031453547
10242030505301531
117013361957a801
122318b17262b337
13a5084c0072c8b
1443aa4a616d679
151ceab7ee26871
hexdc201e4b161b

242030505301531 has 4 divisors (see below), whose sum is σ = 254768952949000. Its totient is φ = 229292057654064.

The previous prime is 242030505301511. The next prime is 242030505301561. The reversal of 242030505301531 is 135103505030242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242030505301531 - 233 = 242021915366939 is a prime.

It is a super-2 number, since 2×2420305053015312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242030505301511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6369223823706 + ... + 6369223823743.

It is an arithmetic number, because the mean of its divisors is an integer number (63692238237250).

Almost surely, 2242030505301531 is an apocalyptic number.

242030505301531 is a deficient number, since it is larger than the sum of its proper divisors (12738447647469).

242030505301531 is a wasteful number, since it uses less digits than its factorization.

242030505301531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738447647468.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 242030505301531 in words is "two hundred forty-two trillion, thirty billion, five hundred five million, three hundred one thousand, five hundred thirty-one".

Divisors: 1 19 12738447647449 242030505301531