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310220022012 = 223231123985587
BaseRepresentation
bin1001000001110101000…
…11011110000011111100
31002122201202200221022220
410200322203132003330
520040312311201022
6354302455405340
731261353452025
oct4407243360374
91078652627286
10310220022012
1110a62212a08a
1250158083850
132333b293804
141102c5b9c4c
158109a2d85c
hex483a8de0fc

310220022012 has 24 divisors (see below), whose sum is σ = 755318315136. Its totient is φ = 98910731568.

The previous prime is 310220021987. The next prime is 310220022037. The reversal of 310220022012 is 210220022013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (310220021987) and next prime (310220022037).

It is a junction number, because it is equal to n+sod(n) for n = 310220021982 and 310220022000.

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 7 ways as a sum of consecutive naturals, for example, 561992518 + ... + 561993069.

It is an arithmetic number, because the mean of its divisors is an integer number (31471596464).

Almost surely, 2310220022012 is an apocalyptic number.

It is an amenable number.

310220022012 is an abundant number, since it is smaller than the sum of its proper divisors (445098293124).

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

310220022012 is a wasteful number, since it uses less digits than its factorization.

310220022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123985617 (or 1123985615 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 310220022012 its reverse (210220022013), we get a palindrome (520440044025).

Subtracting from 310220022012 its reverse (210220022013), we obtain a palindrome (99999999999).

The spelling of 310220022012 in words is "three hundred ten billion, two hundred twenty million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1123985587 2247971174 3371956761 4495942348 6743913522 13487827044 25851668501 51703337002 77555005503 103406674004 155110011006 310220022012