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10440253531 is a prime number
BaseRepresentation
bin10011011100100100…
…11010000001011011
3222221121011211102201
421232102122001123
5132340201103111
64443550511031
7516501455641
oct115622320133
928847154381
1010440253531
114478284004
122034505477
13ca4c83b16
14710805191
154118736c1
hex26e49a05b

10440253531 has 2 divisors, whose sum is σ = 10440253532. Its totient is φ = 10440253530.

The previous prime is 10440253519. The next prime is 10440253543. The reversal of 10440253531 is 13535204401.

It is a balanced prime because it is at equal distance from previous prime (10440253519) and next prime (10440253543).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10440253531 is a prime.

It is a super-2 number, since 2×104402535312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10440253531.

It is not a weakly prime, because it can be changed into another prime (10440253511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5220126765 + 5220126766.

It is an arithmetic number, because the mean of its divisors is an integer number (5220126766).

Almost surely, 210440253531 is an apocalyptic number.

10440253531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10440253531 is an equidigital number, since it uses as much as digits as its factorization.

10440253531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 10440253531 its reverse (13535204401), we get a palindrome (23975457932).

The spelling of 10440253531 in words is "ten billion, four hundred forty million, two hundred fifty-three thousand, five hundred thirty-one".