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12863689330 = 251286368933
BaseRepresentation
bin10111111101011110…
…00101001001110010
31020012111022010101011
423332233011021302
5202321101024310
65524241301134
7633526361302
oct137657051162
936174263334
1012863689330
115501243208
1225b00347aa
1312a00869bb
148a0605602
155044c878a
hex2febc5272

12863689330 has 8 divisors (see below), whose sum is σ = 23154640812. Its totient is φ = 5145475728.

The previous prime is 12863689313. The next prime is 12863689331. The reversal of 12863689330 is 3398636821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12857972449 + 5716881 = 113393^2 + 2391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12863689331) 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, 643184457 + ... + 643184476.

Almost surely, 212863689330 is an apocalyptic number.

12863689330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12863689330 is a deficient number, since it is larger than the sum of its proper divisors (10290951482).

12863689330 is a wasteful number, since it uses less digits than its factorization.

12863689330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286368940.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 12863689330 in words is "twelve billion, eight hundred sixty-three million, six hundred eighty-nine thousand, three hundred thirty".

Divisors: 1 2 5 10 1286368933 2572737866 6431844665 12863689330