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12735711744 = 29375322349
BaseRepresentation
bin10111101110001101…
…11000101000000000
31012212120111012010120
423313012320220000
5202040320233434
65503430300240
7630413522640
oct136706705000
935776435116
1012735711744
115445a82808
1225751b7680
13127c6c8912
1488b610520
154e8149349
hex2f71b8a00

12735711744 has 160 divisors (see below), whose sum is σ = 39509078400. Its totient is φ = 3569958912.

The previous prime is 12735711727. The next prime is 12735711773. The reversal of 12735711744 is 44711753721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 12735711696 and 12735711705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558682 + ... + 581030.

It is an arithmetic number, because the mean of its divisors is an integer number (246931740).

Almost surely, 212735711744 is an apocalyptic number.

12735711744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12735711744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19754539200).

12735711744 is an abundant number, since it is smaller than the sum of its proper divisors (26773366656).

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

12735711744 is an equidigital number, since it uses as much as digits as its factorization.

12735711744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22430 (or 22414 counting only the distinct ones).

The product of its digits is 164640, while the sum is 42.

The spelling of 12735711744 in words is "twelve billion, seven hundred thirty-five million, seven hundred eleven thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 53 56 64 84 96 106 112 128 159 168 192 212 224 256 318 336 371 384 424 448 512 636 672 742 768 848 896 1113 1272 1344 1484 1536 1696 1792 2226 2544 2688 2968 3392 3584 4452 5088 5376 5936 6784 8904 10176 10752 11872 13568 17808 20352 22349 23744 27136 35616 40704 44698 47488 67047 71232 81408 89396 94976 134094 142464 156443 178792 189952 268188 284928 312886 357584 469329 536376 569856 625772 715168 938658 1072752 1184497 1251544 1430336 1877316 2145504 2368994 2503088 2860672 3553491 3754632 4291008 4737988 5006176 5721344 7106982 7509264 8291479 8582016 9475976 10012352 11442688 14213964 15018528 16582958 17164032 18951952 20024704 24874437 28427928 30037056 33165916 34328064 37903904 40049408 49748874 56855856 60074112 66331832 75807808 80098816 99497748 113711712 120148224 132663664 151615616 198995496 227423424 240296448 265327328 303231232 397990992 454846848 530654656 606462464 795981984 909693696 1061309312 1591963968 1819387392 2122618624 3183927936 4245237248 6367855872 12735711744