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215210116007012 = 22767091911456041
BaseRepresentation
bin110000111011101110000010…
…100001000100010001100100
31001012222212221000022112010202
4300323232002201010101210
5211202000304144211022
62041414055030210032
763221263204224140
oct6073560241042144
91035885830275122
10215210116007012
1162633108a738a5
12201791b44b3918
1393112c4544599
143b20321cda220
1519d3197ced592
hexc3bb82844464

215210116007012 has 24 divisors (see below), whose sum is σ = 430420911123840. Its totient is φ = 92232761336640.

The previous prime is 215210116006993. The next prime is 215210116007041. The reversal of 215210116007012 is 210700611012512.

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, 13057712 + ... + 24513752.

It is an arithmetic number, because the mean of its divisors is an integer number (17934204630160).

Almost surely, 2215210116007012 is an apocalyptic number.

It is an amenable number.

215210116007012 is an abundant number, since it is smaller than the sum of its proper divisors (215210795116828).

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

215210116007012 is a wasteful number, since it uses less digits than its factorization.

215210116007012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12126971 (or 12126969 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 215210116007012 its reverse (210700611012512), we get a palindrome (425910727019524).

The spelling of 215210116007012 in words is "two hundred fifteen trillion, two hundred ten billion, one hundred sixteen million, seven thousand, twelve".

Divisors: 1 2 4 7 14 28 670919 1341838 2683676 4696433 9392866 11456041 18785732 22912082 45824164 80192287 160384574 320769148 7686075571679 15372151143358 30744302286716 53802529001753 107605058003506 215210116007012