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20304342142210 = 257877213306643
BaseRepresentation
bin1001001110111011110010…
…00110011100110100000010
32122220002001111220012201201
410213131321012130310002
510130131243042022320
6111103404102251414
74163640345400060
oct447357106346402
978802044805651
1020304342142210
116519028896015
12233b14b126b6a
13b438ca898759
14502a41d37030
1525326885070a
hex12777919cd02

20304342142210 has 32 divisors (see below), whose sum is σ = 41769421195392. Its totient is φ = 6961407269760.

The previous prime is 20304342142199. The next prime is 20304342142291. The reversal of 20304342142210 is 1224124340302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4487149 + ... + 7793791.

It is an arithmetic number, because the mean of its divisors is an integer number (1305294412356).

Almost surely, 220304342142210 is an apocalyptic number.

20304342142210 is an abundant number, since it is smaller than the sum of its proper divisors (21465079053182).

20304342142210 is a wasteful number, since it uses less digits than its factorization.

20304342142210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394378.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20304342142210 its reverse (1224124340302), we get a palindrome (21528466482512).

The spelling of 20304342142210 in words is "twenty trillion, three hundred four billion, three hundred forty-two million, one hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 87721 175442 438605 614047 877210 1228094 3070235 3306643 6140470 6613286 16533215 23146501 33066430 46293002 115732505 231465010 290062030603 580124061206 1450310153015 2030434214221 2900620306030 4060868428442 10152171071105 20304342142210