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10204252231240 = 235255106305781
BaseRepresentation
bin1001010001111101110011…
…0101000101011001001000
31100010111221212211122222201
42110133130311011121020
52314141302032344430
633411434015125544
72102142611562034
oct224373465053110
940114855748881
1010204252231240
1132846653a6511
12118979b5138b4
13590345410252
14273c61c611c4
1512a6818628ca
hex947dcd45648

10204252231240 has 16 divisors (see below), whose sum is σ = 22959567520380. Its totient is φ = 4081700892480.

The previous prime is 10204252231213. The next prime is 10204252231241. The reversal of 10204252231240 is 4213225240201.

It can be written as a sum of positive squares in 2 ways, for example, as 10041661024164 + 162591207076 = 3168858^2 + 403226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10204252231199 and 10204252231208.

It is not an unprimeable number, because it can be changed into a prime (10204252231241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127553152851 + ... + 127553152930.

Almost surely, 210204252231240 is an apocalyptic number.

10204252231240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10204252231240 is an abundant number, since it is smaller than the sum of its proper divisors (12755315289140).

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

10204252231240 is a wasteful number, since it uses less digits than its factorization.

10204252231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255106305792 (or 255106305788 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 10204252231240 its reverse (4213225240201), we get a palindrome (14417477471441).

The spelling of 10204252231240 in words is "ten trillion, two hundred four billion, two hundred fifty-two million, two hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 255106305781 510212611562 1020425223124 1275531528905 2040850446248 2551063057810 5102126115620 10204252231240