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1253670912 = 2153313109
BaseRepresentation
bin100101010111001…
…1000000000000000
310020101000002012000
41022232120000000
510031414432122
6324222304000
743032012144
oct11256300000
93211002160
101253670912
1159373456a
122aba28000
1316c966710
14bc701224
15750dd0ac
hex4ab98000

1253670912 has 256 divisors, whose sum is σ = 4036956000. Its totient is φ = 382205952.

The previous prime is 1253670911. The next prime is 1253670919. The reversal of 1253670912 is 2190763521.

It is a tau number, because it is divible by the number of its divisors (256).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253670911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11501514 + ... + 11501622.

Almost surely, 21253670912 is an apocalyptic number.

1253670912 is a gapful number since it is divisible by the number (12) 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 1253670912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2018478000).

1253670912 is an abundant number, since it is smaller than the sum of its proper divisors (2783285088).

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

1253670912 is an equidigital number, since it uses as much as digits as its factorization.

1253670912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1253670912 is about 35407.2155358198. The cubic root of 1253670912 is about 1078.2708131252.

The spelling of 1253670912 in words is "one billion, two hundred fifty-three million, six hundred seventy thousand, nine hundred twelve".