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312103000222216 = 23713561814109531
BaseRepresentation
bin100011011110110110010010…
…0011101100010101000001000
31111221001202101201010010001121
41012331230210131202220020
5311401443421024102331
63023442050002325024
7122511461203110460
oct10675544435425010
91457052351103047
10312103000222216
119049a159131815
122b00779b359774
131051c257065848
14570dc19ad8ba0
1526137ae0a3c11
hex11bdb24762a08

312103000222216 has 32 divisors (see below), whose sum is σ = 668792799218880. Its totient is φ = 133758297489600.

The previous prime is 312103000222193. The next prime is 312103000222217. The reversal of 312103000222216 is 612222000301213.

It is not an unprimeable number, because it can be changed into a prime (312103000222217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73891371 + ... + 78000901.

It is an arithmetic number, because the mean of its divisors is an integer number (20899774975590).

Almost surely, 2312103000222216 is an apocalyptic number.

It is an amenable number.

312103000222216 is an abundant number, since it is smaller than the sum of its proper divisors (356689798996664).

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

312103000222216 is a wasteful number, since it uses less digits than its factorization.

312103000222216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465725 (or 5465721 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312103000222216 its reverse (612222000301213), we get a palindrome (924325000523429).

The spelling of 312103000222216 in words is "three hundred twelve trillion, one hundred three billion, two hundred twenty-two thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 1356181 2712362 4109531 5424724 8219062 9493267 10849448 16438124 18986534 28766717 32876248 37973068 57533434 75946136 115066868 230133736 5573267861111 11146535722222 22293071444444 39012875027777 44586142888888 78025750055554 156051500111108 312103000222216