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1243405346214 = 231901109013269
BaseRepresentation
bin10010000110000000101…
…110111110010110100110
311101212110001112011021210
4102012000232332112212
5130332443232034324
62351113523452250
7155555513025633
oct22060056762646
94355401464253
101243405346214
1143a3639a2149
12180b91b27086
1390339015615
144427709518a
1522525633d29
hex12180bbe5a6

1243405346214 has 16 divisors (see below), whose sum is σ = 2488118874480. Its totient is φ = 414250418400.

The previous prime is 1243405346213. The next prime is 1243405346233. The reversal of 1243405346214 is 4126435043421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243405346213) by changing a digit.

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, 54495229 + ... + 54518040.

It is an arithmetic number, because the mean of its divisors is an integer number (155507429655).

Almost surely, 21243405346214 is an apocalyptic number.

1243405346214 is an abundant number, since it is smaller than the sum of its proper divisors (1244713528266).

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

1243405346214 is a wasteful number, since it uses less digits than its factorization.

1243405346214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109015175.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 1243405346214 in words is "one trillion, two hundred forty-three billion, four hundred five million, three hundred forty-six thousand, two hundred fourteen".

Divisors: 1 2 3 6 1901 3802 5703 11406 109013269 218026538 327039807 654079614 207234224369 414468448738 621702673107 1243405346214