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312221411441242 = 22513571174168301
BaseRepresentation
bin100011011111101101011011…
…0010100011111101001011010
31111221111002000222201021210021
41012333122312110133221122
5311410413422312104432
63024012311501541054
7122523152430630412
oct10677326624375132
91457432028637707
10312221411441242
11905353a2188206
122b026726b7478a
131052a478044814
14571585002b642
1526168de824697
hex11bf6b651fa5a

312221411441242 has 16 divisors (see below), whose sum is σ = 470329656106464. Its totient is φ = 155445207750000.

The previous prime is 312221411441179. The next prime is 312221411441257. The reversal of 312221411441242 is 242144114122213.

It is a super-2 number, since 2×3122214114412422 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312221411441198 and 312221411441207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85291509 + ... + 88876792.

It is an arithmetic number, because the mean of its divisors is an integer number (29395603506654).

Almost surely, 2312221411441242 is an apocalyptic number.

312221411441242 is a deficient number, since it is larger than the sum of its proper divisors (158108244665222).

312221411441242 is a wasteful number, since it uses less digits than its factorization.

312221411441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174172125.

The product of its digits is 24576, while the sum is 34.

Adding to 312221411441242 its reverse (242144114122213), we get a palindrome (554365525563455).

The spelling of 312221411441242 in words is "three hundred twelve trillion, two hundred twenty-one billion, four hundred eleven million, four hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 251 502 3571 7142 896321 1792642 174168301 348336602 43716243551 87432487102 621955002871 1243910005742 156110705720621 312221411441242