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253544230120 = 23537332951461
BaseRepresentation
bin1110110000100001101…
…0011110110011101000
3220020102221012101211111
43230020122132303220
513123224310330440
6312250540440104
724214030253116
oct3541032366350
9806387171744
10253544230120
1198589120855
124117b549034
131aba844358c
14c3b3404ab6
1568de0614ea
hex3b0869ece8

253544230120 has 64 divisors (see below), whose sum is σ = 586080133200. Its totient is φ = 98645114880.

The previous prime is 253544230111. The next prime is 253544230151. The reversal of 253544230120 is 21032445352.

253544230120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 142390003716 + 111154226404 = 377346^2 + 333398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4901190 + ... + 4952650.

Almost surely, 2253544230120 is an apocalyptic number.

253544230120 is a gapful number since it is divisible by the number (20) 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 253544230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293040066600).

253544230120 is an abundant number, since it is smaller than the sum of its proper divisors (332535903080).

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

253544230120 is a wasteful number, since it uses less digits than its factorization.

253544230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54838 (or 54834 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 253544230120 its reverse (21032445352), we get a palindrome (274576675472).

The spelling of 253544230120 in words is "two hundred fifty-three billion, five hundred forty-four million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 3329 6658 13316 16645 26632 33290 51461 66580 102922 123173 133160 205844 246346 257305 411688 492692 514610 615865 985384 1029220 1231730 1904057 2058440 2463460 3808114 4926920 7616228 9520285 15232456 19040570 38081140 76162280 171313669 342627338 685254676 856568345 1370509352 1713136690 3426273380 6338605753 6852546760 12677211506 25354423012 31693028765 50708846024 63386057530 126772115060 253544230120