Search a number
-
+
12206731248 = 2432364323269
BaseRepresentation
bin10110101111001001…
…11110111111110000
31011111201010012022100
423113210332333300
5144444410344443
65335132340400
7611331334515
oct132744767760
934451105270
1012206731248
1151a4421948
122448014700
1311c6c378ca
1483b27330c
154b69a93d3
hex2d793eff0

12206731248 has 60 divisors (see below), whose sum is σ = 34172739640. Its totient is φ = 4067618688.

The previous prime is 12206731183. The next prime is 12206731259. The reversal of 12206731248 is 84213760221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512958 + ... + 536226.

Almost surely, 212206731248 is an apocalyptic number.

12206731248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12206731248 is an abundant number, since it is smaller than the sum of its proper divisors (21966008392).

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

12206731248 is a wasteful number, since it uses less digits than its factorization.

12206731248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26926 (or 26917 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12206731248 in words is "twelve billion, two hundred six million, seven hundred thirty-one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3643 7286 10929 14572 21858 23269 29144 32787 43716 46538 58288 65574 69807 87432 93076 131148 139614 174864 186152 209421 262296 279228 372304 418842 524592 558456 837684 1116912 1675368 3350736 84768967 169537934 254306901 339075868 508613802 678151736 762920703 1017227604 1356303472 1525841406 2034455208 3051682812 4068910416 6103365624 12206731248