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420440411342 = 274197444443
BaseRepresentation
bin1100001111001000011…
…00111000110011001110
31111012020012210212000202
412013210030320303032
523342030221130332
6521051521053502
742242622350000
oct6074414706316
91435205725022
10420440411342
11152342718a36
1269598787292
13308553363b3
14164c6b6c370
15ae0b15ba62
hex61e4338cce

420440411342 has 40 divisors (see below), whose sum is σ = 739463260536. Its totient is φ = 179273680656.

The previous prime is 420440411327. The next prime is 420440411371. The reversal of 420440411342 is 243114044024.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 723773 + ... + 1168215.

Almost surely, 2420440411342 is an apocalyptic number.

420440411342 is a deficient number, since it is larger than the sum of its proper divisors (319022849194).

420440411342 is an equidigital number, since it uses as much as digits as its factorization.

420440411342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444670 (or 444649 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 420440411342 its reverse (243114044024), we get a palindrome (663554455366).

The spelling of 420440411342 in words is "four hundred twenty billion, four hundred forty million, four hundred eleven thousand, three hundred forty-two".

Divisors: 1 2 7 14 49 98 197 343 394 686 1379 2401 2758 4802 9653 19306 67571 135142 444443 472997 888886 945994 3111101 6222202 21777707 43555414 87555271 152443949 175110542 304887898 612886897 1067107643 1225773794 2134215286 4290208279 8580416558 30031457953 60062915906 210220205671 420440411342