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10253204031 = 37488247811
BaseRepresentation
bin10011000110010001…
…10111101000111111
3222110120012201202110
421203020313220333
5131444310012111
64413225425103
7512040540060
oct114310675077
928416181673
1010253204031
114391736a44
121ba193b193
13c752b2345
146d3a34567
154002265a6
hex263237a3f

10253204031 has 8 divisors (see below), whose sum is σ = 15623929984. Its totient is φ = 5858973720.

The previous prime is 10253203993. The next prime is 10253204053. The reversal of 10253204031 is 13040235201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10253204031 - 26 = 10253203967 is a prime.

It is a super-2 number, since 2×102532040312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 488247811 = 10253204031 / (1 + 0 + 2 + 5 + 3 + 2 + 0 + 4 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10253203989 and 10253204007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10253204081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 244123885 + ... + 244123926.

It is an arithmetic number, because the mean of its divisors is an integer number (1952991248).

Almost surely, 210253204031 is an apocalyptic number.

10253204031 is a deficient number, since it is larger than the sum of its proper divisors (5370725953).

10253204031 is an equidigital number, since it uses as much as digits as its factorization.

10253204031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488247821.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10253204031 its reverse (13040235201), we get a palindrome (23293439232).

The spelling of 10253204031 in words is "ten billion, two hundred fifty-three million, two hundred four thousand, thirty-one".

Divisors: 1 3 7 21 488247811 1464743433 3417734677 10253204031