Search a number
-
+
253035844213 = 1039124351443
BaseRepresentation
bin1110101110101000011…
…1001001001001110101
3220012010111120201110211
43223222013021021311
513121204134003323
6312124300145421
724165315121345
oct3535207111165
9805114521424
10253035844213
1198348156a09
1241059238271
131ab27013509
14c365aa8d25
1568ae5dd70d
hex3aea1c9275

253035844213 has 4 divisors (see below), whose sum is σ = 253060206048. Its totient is φ = 253011482380.

The previous prime is 253035844211. The next prime is 253035844241. The reversal of 253035844213 is 312448530352.

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 253035844213 - 21 = 253035844211 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253035844211) 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, 12165331 + ... + 12186112.

It is an arithmetic number, because the mean of its divisors is an integer number (63265051512).

Almost surely, 2253035844213 is an apocalyptic number.

It is an amenable number.

253035844213 is a deficient number, since it is larger than the sum of its proper divisors (24361835).

253035844213 is a wasteful number, since it uses less digits than its factorization.

253035844213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24361834.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 253035844213 in words is "two hundred fifty-three billion, thirty-five million, eight hundred forty-four thousand, two hundred thirteen".

Divisors: 1 10391 24351443 253035844213