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12832090656 = 2537112157813
BaseRepresentation
bin10111111001101101…
…00010101000100000
31020010021211202010220
423330312202220200
5202240003400111
65521152123040
7632663654010
oct137466425040
936107752126
1012832090656
115495420700
1225a1536480
131296672168
1489a33bc40
15501835e06
hex2fcda2a20

12832090656 has 144 divisors (see below), whose sum is σ = 42314352192. Its totient is φ = 3332989440.

The previous prime is 12832090651. The next prime is 12832090673. The reversal of 12832090656 is 65609023821.

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

It is not an unprimeable number, because it can be changed into a prime (12832090651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2406 + ... + 160218.

It is an arithmetic number, because the mean of its divisors is an integer number (293849668).

Almost surely, 212832090656 is an apocalyptic number.

12832090656 is a gapful number since it is divisible by the number (16) 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 12832090656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21157176096).

12832090656 is an abundant number, since it is smaller than the sum of its proper divisors (29482261536).

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

12832090656 is a wasteful number, since it uses less digits than its factorization.

12832090656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157855 (or 157836 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 12832090656 in words is "twelve billion, eight hundred thirty-two million, ninety thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 121 132 154 168 176 224 231 242 264 308 336 352 363 462 484 528 616 672 726 847 924 968 1056 1232 1452 1694 1848 1936 2464 2541 2904 3388 3696 3872 5082 5808 6776 7392 10164 11616 13552 20328 27104 40656 81312 157813 315626 473439 631252 946878 1104691 1262504 1735943 1893756 2209382 2525008 3314073 3471886 3787512 4418764 5050016 5207829 6628146 6943772 7575024 8837528 10415658 12151601 13256292 13887544 15150048 17675056 19095373 20831316 24303202 26512584 27775088 35350112 36454803 38190746 41662632 48606404 53025168 55550176 57286119 72909606 76381492 83325264 97212808 106050336 114572238 133667611 145819212 152762984 166650528 194425616 229144476 267335222 291638424 305525968 388851232 401002833 458288952 534670444 583276848 611051936 802005666 916577904 1069340888 1166553696 1604011332 1833155808 2138681776 3208022664 4277363552 6416045328 12832090656