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126685968 = 2432639291
BaseRepresentation
bin1111000110100…
…01001100010000
322211101022110220
413203101030100
5224412422333
620323153040
73065545563
oct743211420
9284338426
10126685968
1165569052
1236515780
1320328216
1412b7a4da
15b1c68b3
hex78d1310

126685968 has 20 divisors (see below), whose sum is σ = 327272208. Its totient is φ = 42228640.

The previous prime is 126685961. The next prime is 126685973. The reversal of 126685968 is 869586621.

It is a self number, because there is not a number n which added to its sum of digits gives 126685968.

It is not an unprimeable number, because it can be changed into a prime (126685961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319598 + ... + 1319693.

Almost surely, 2126685968 is an apocalyptic number.

It is an amenable number.

126685968 is an abundant number, since it is smaller than the sum of its proper divisors (200586240).

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

126685968 is a wasteful number, since it uses less digits than its factorization.

126685968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639302 (or 2639296 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 126685968 is about 11255.4861289951. The cubic root of 126685968 is about 502.2379257656.

The spelling of 126685968 in words is "one hundred twenty-six million, six hundred eighty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2639291 5278582 7917873 10557164 15835746 21114328 31671492 42228656 63342984 126685968