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312244012120 = 2357806100303
BaseRepresentation
bin1001000101100110011…
…00011000010001011000
31002211221211012021210111
410202303030120101120
520103433431341440
6355235400454104
731362461211565
oct4426314302130
91084854167714
10312244012120
11110470671887
1250621a7a334
13235a16ba4b1
141118131b86c
1581c757e4ea
hex48b3318458

312244012120 has 16 divisors (see below), whose sum is σ = 702549027360. Its totient is φ = 124897604832.

The previous prime is 312244012109. The next prime is 312244012121. The reversal of 312244012120 is 21210442213.

It is a junction number, because it is equal to n+sod(n) for n = 312244012091 and 312244012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312244012121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3903050112 + ... + 3903050191.

It is an arithmetic number, because the mean of its divisors is an integer number (43909314210).

Almost surely, 2312244012120 is an apocalyptic number.

It is an amenable number.

312244012120 is an abundant number, since it is smaller than the sum of its proper divisors (390305015240).

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

312244012120 is a wasteful number, since it uses less digits than its factorization.

312244012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806100314 (or 7806100310 counting only the distinct ones).

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

Adding to 312244012120 its reverse (21210442213), we get a palindrome (333454454333).

The spelling of 312244012120 in words is "three hundred twelve billion, two hundred forty-four million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 7806100303 15612200606 31224401212 39030501515 62448802424 78061003030 156122006060 312244012120