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420422102131 = 12775114273089
BaseRepresentation
bin1100001111000110001…
…11000010110001110011
31111012011221100122111211
412013203013002301303
523342011024232011
6521050024420551
742242310622243
oct6074307026163
91435157318454
10420422102131
11152333352a59
1269592617757
13308515c5745
14164c4563b23
15ae09741b21
hex61e31c2c73

420422102131 has 16 divisors (see below), whose sum is σ = 424731525120. Its totient is φ = 416129616000.

The previous prime is 420422102101. The next prime is 420422102209. The reversal of 420422102131 is 131201224024.

It is a cyclic number.

It is not a de Polignac number, because 420422102131 - 27 = 420422102003 is a prime.

It is a super-2 number, since 2×4204221021312 (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 (420422102101) 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 15 ways as a sum of consecutive naturals, for example, 136101435 + ... + 136104523.

It is an arithmetic number, because the mean of its divisors is an integer number (26545720320).

Almost surely, 2420422102131 is an apocalyptic number.

420422102131 is a deficient number, since it is larger than the sum of its proper divisors (4309422989).

420422102131 is a wasteful number, since it uses less digits than its factorization.

420422102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 420422102131 its reverse (131201224024), we get a palindrome (551623326155).

The spelling of 420422102131 in words is "four hundred twenty billion, four hundred twenty-two million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 127 751 1427 3089 95377 181229 392303 1071677 2319839 4408003 136102979 294619553 559816381 3310410253 420422102131