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12883712470 = 2519442315331
BaseRepresentation
bin10111111111110110…
…11101100111010110
31020020212222101221221
423333323131213112
5202341212244340
65530234400554
7634161514636
oct137773354726
936225871857
1012883712470
115511579962
1225b689015a
1312a4277805
148a31386c6
1550613144a
hex2ffedd9d6

12883712470 has 32 divisors (see below), whose sum is σ = 24418356480. Its totient is φ = 4880826720.

The previous prime is 12883712441. The next prime is 12883712477. The reversal of 12883712470 is 7421738821.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12883712477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832705 + ... + 848035.

It is an arithmetic number, because the mean of its divisors is an integer number (763073640).

Almost surely, 212883712470 is an apocalyptic number.

12883712470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12883712470 is a deficient number, since it is larger than the sum of its proper divisors (11534644010).

12883712470 is a wasteful number, since it uses less digits than its factorization.

12883712470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19780.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 12883712470 in words is "twelve billion, eight hundred eighty-three million, seven hundred twelve thousand, four hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 4423 8846 15331 22115 30662 44230 76655 84037 153310 168074 291289 420185 582578 840370 1456445 2912890 67809013 135618026 339045065 678090130 1288371247 2576742494 6441856235 12883712470