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12780076050 = 2335271352389
BaseRepresentation
bin10111110011100000…
…00111110000010010
31012222122222010112000
423321300013300102
5202133144413200
65512053214430
7631462565640
oct137160076022
935878863460
1012780076050
115469024325
122588031416
13128895caa1
1489347c190
154ebeae300
hex2f9c07c12

12780076050 has 96 divisors (see below), whose sum is σ = 40247126400. Its totient is φ = 2921158080.

The previous prime is 12780076031. The next prime is 12780076069. The reversal of 12780076050 is 5067008721.

12780076050 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12780076031) and next prime (12780076069).

It is a junction number, because it is equal to n+sod(n) for n = 12780075996 and 12780076014.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 666745 + ... + 685644.

It is an arithmetic number, because the mean of its divisors is an integer number (419240900).

Almost surely, 212780076050 is an apocalyptic number.

12780076050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12780076050 is an abundant number, since it is smaller than the sum of its proper divisors (27467050350).

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

12780076050 is a wasteful number, since it uses less digits than its factorization.

12780076050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352417 (or 1352406 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 12780076050 in words is "twelve billion, seven hundred eighty million, seventy-six thousand, fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 90 105 126 135 150 175 189 210 225 270 315 350 378 450 525 630 675 945 1050 1350 1575 1890 3150 4725 9450 1352389 2704778 4057167 6761945 8114334 9466723 12171501 13523890 18933446 20285835 24343002 28400169 33809725 36514503 40571670 47333615 56800338 60857505 67619450 73029006 85200507 94667230 101429175 121715010 142000845 170401014 182572515 202858350 236668075 255601521 284001690 304287525 365145030 426002535 473336150 511203042 608575050 710004225 852005070 912862575 1278007605 1420008450 1825725150 2130012675 2556015210 4260025350 6390038025 12780076050