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12886684496 = 2473732827
BaseRepresentation
bin11000000000001101…
…10011001101010000
31020021002120101210222
430000012303031100
5202342442400441
65530422212212
7634226003510
oct140006631520
936232511728
1012886684496
115513219884
1225b7884068
1312a4a784ca
148a36ad840
1550651bd4b
hex3001b3350

12886684496 has 60 divisors (see below), whose sum is σ = 28646104032. Its totient is φ = 5501397888.

The previous prime is 12886684493. The next prime is 12886684511. The reversal of 12886684496 is 69448668821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886684493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15582035 + ... + 15582861.

Almost surely, 212886684496 is an apocalyptic number.

12886684496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12886684496 is an abundant number, since it is smaller than the sum of its proper divisors (15759419536).

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

12886684496 is an frugal number, since it uses more digits than its factorization.

12886684496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1209 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 62.

The spelling of 12886684496 in words is "twelve billion, eight hundred eighty-six million, six hundred eighty-four thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 373 746 827 1492 1654 2611 2984 3308 5222 5789 5968 6616 10444 11578 13232 20888 23156 41776 46312 92624 139129 278258 308471 556516 616942 973903 1113032 1233884 1947806 2159297 2226064 2467768 3895612 4318594 4935536 7791224 8637188 15582448 17274376 34548752 115059683 230119366 460238732 805417781 920477464 1610835562 1840954928 3221671124 6443342248 12886684496