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245351012253 = 381783670751
BaseRepresentation
bin1110010010000000001…
…1110101011110011101
3212110021221012210211220
43210200003311132131
513004434324343003
6304413535403553
723504012123424
oct3444003653635
9773257183756
10245351012253
1195064282a16
123b6736835b9
131a1a0b7c179
14bc372022bb
1565aeaeb353
hex39200f579d

245351012253 has 4 divisors (see below), whose sum is σ = 327134683008. Its totient is φ = 163567341500.

The previous prime is 245351012239. The next prime is 245351012281. The reversal of 245351012253 is 352210153542.

245351012253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245351012253 - 210 = 245351011229 is a prime.

It is a super-2 number, since 2×2453510122532 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245351012293) 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 3 ways as a sum of consecutive naturals, for example, 40891835373 + ... + 40891835378.

It is an arithmetic number, because the mean of its divisors is an integer number (81783670752).

Almost surely, 2245351012253 is an apocalyptic number.

It is an amenable number.

245351012253 is a deficient number, since it is larger than the sum of its proper divisors (81783670755).

245351012253 is an equidigital number, since it uses as much as digits as its factorization.

245351012253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81783670754.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 245351012253 its reverse (352210153542), we get a palindrome (597561165795).

The spelling of 245351012253 in words is "two hundred forty-five billion, three hundred fifty-one million, twelve thousand, two hundred fifty-three".

Divisors: 1 3 81783670751 245351012253