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421211241309 = 34323928148619
BaseRepresentation
bin1100010000100100010…
…01010111101101011101
31111021012221021001221210
412020102021113231131
523400120034210214
6521300214415033
742301002322455
oct6102211275535
91437187231853
10421211241309
111526a88459a1
1269772961479
1330948c44cc1
141655b2a2d65
15ae53b70b59
hex6212257b5d

421211241309 has 32 divisors (see below), whose sum is σ = 579145881600. Its totient is φ = 272151895680.

The previous prime is 421211241301. The next prime is 421211241323. The reversal of 421211241309 is 903142112124.

It is not a de Polignac number, because 421211241309 - 23 = 421211241301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421211241301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8639202 + ... + 8687820.

It is an arithmetic number, because the mean of its divisors is an integer number (18098308800).

Almost surely, 2421211241309 is an apocalyptic number.

It is an amenable number.

421211241309 is a deficient number, since it is larger than the sum of its proper divisors (157934640291).

421211241309 is a wasteful number, since it uses less digits than its factorization.

421211241309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49185.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 421211241309 in words is "four hundred twenty-one billion, two hundred eleven million, two hundred forty-one thousand, three hundred nine".

Divisors: 1 3 43 129 239 281 717 843 10277 12083 30831 36249 48619 67159 145857 201477 2090617 2887837 6271851 8663511 11619941 13661939 34859823 40985817 499657463 587463377 1498972389 1762390131 3265203421 9795610263 140403747103 421211241309