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51430043313222 = 2372547319802779
BaseRepresentation
bin10111011000110011111010…
…11101100110010001000110
320202002122221010221111120020
423230121331131212101012
523220112212042010342
6301214345152320010
713555461263134500
oct1354317535462106
9222078833844506
1051430043313222
11154293a4743262
1259275a1543006
132290aa8678862
14c9b327cd4d70
155e2c306020ec
hex2ec67d766446

51430043313222 has 48 divisors (see below), whose sum is σ = 119872315632960. Its totient is φ = 14667434610192.

The previous prime is 51430043313197. The next prime is 51430043313281. The reversal of 51430043313222 is 22231334003415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159740572 + ... + 160062207.

It is an arithmetic number, because the mean of its divisors is an integer number (2497339909020).

Almost surely, 251430043313222 is an apocalyptic number.

51430043313222 is an abundant number, since it is smaller than the sum of its proper divisors (68442272319738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51430043313222 is a wasteful number, since it uses less digits than its factorization.

51430043313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319803345 (or 319803338 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 51430043313222 its reverse (22231334003415), we get a palindrome (73661377316637).

The spelling of 51430043313222 in words is "fifty-one trillion, four hundred thirty billion, forty-three million, three hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 547 1094 1641 3282 3829 7658 11487 22974 26803 53606 80409 160818 319802779 639605558 959408337 1918816674 2238619453 4477238906 6715858359 13431716718 15670336171 31340672342 47011008513 94022017026 174932120113 349864240226 524796360339 1049592720678 1224524840791 2449049681582 3673574522373 7347149044746 8571673885537 17143347771074 25715021656611 51430043313222