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42041001253 is a prime number
BaseRepresentation
bin100111001001110101…
…101100010100100101
311000111220120010212111
4213021311230110211
51142044444020003
631151404321021
73015546420526
oct471165542445
9130456503774
1042041001253
111691405a539
128193543171
133c6cb84104
14206b69a84d
151160c97e6d
hex9c9d6c525

42041001253 has 2 divisors, whose sum is σ = 42041001254. Its totient is φ = 42041001252.

The previous prime is 42041001251. The next prime is 42041001367. The reversal of 42041001253 is 35210014024.

42041001253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40853302884 + 1187698369 = 202122^2 + 34463^2 .

It is a cyclic number.

It is not a de Polignac number, because 42041001253 - 21 = 42041001251 is a prime.

Together with 42041001251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42041001251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020500626 + 21020500627.

It is an arithmetic number, because the mean of its divisors is an integer number (21020500627).

Almost surely, 242041001253 is an apocalyptic number.

It is an amenable number.

42041001253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041001253 is an equidigital number, since it uses as much as digits as its factorization.

42041001253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 42041001253 its reverse (35210014024), we get a palindrome (77251015277).

The spelling of 42041001253 in words is "forty-two billion, forty-one million, one thousand, two hundred fifty-three".