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243515410012 = 2278696978929
BaseRepresentation
bin1110001011001010100…
…1100100011001011100
3212021120000012112221201
43202302221210121130
512442204421110022
6303511444205244
723410352555410
oct3426251443134
9767500175851
10243515410012
1194302111876
123b240999824
1319c6a7a51b4
14bb014dcd40
1565038ae127
hex38b2a6465c

243515410012 has 12 divisors (see below), whose sum is σ = 487030820080. Its totient is φ = 104363747136.

The previous prime is 243515410001. The next prime is 243515410037. The reversal of 243515410012 is 210014515342.

243515410012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 8696978929 = 243515410012 / (2 + 4 + 3 + 5 + 1 + 5 + 4 + 1 + 0 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348489437 + ... + 4348489492.

Almost surely, 2243515410012 is an apocalyptic number.

It is an amenable number.

243515410012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243515410012 is a wasteful number, since it uses less digits than its factorization.

243515410012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696978940 (or 8696978938 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 243515410012 its reverse (210014515342), we get a palindrome (453529925354).

The spelling of 243515410012 in words is "two hundred forty-three billion, five hundred fifteen million, four hundred ten thousand, twelve".

Divisors: 1 2 4 7 14 28 8696978929 17393957858 34787915716 60878852503 121757705006 243515410012