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12040002553 is a prime number
BaseRepresentation
bin10110011011010001…
…11101101111111001
31011002002101111112111
423031220331233321
5144124220040203
65310415012321
7604235222155
oct131550755771
934062344474
1012040002553
1151192a4137
12240020a0a1
13119b52c587
14823072065
154a702326d
hex2cda3dbf9

12040002553 has 2 divisors, whose sum is σ = 12040002554. Its totient is φ = 12040002552.

The previous prime is 12040002547. The next prime is 12040002581. The reversal of 12040002553 is 35520004021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11370383424 + 669619129 = 106632^2 + 25877^2 .

It is an emirp because it is prime and its reverse (35520004021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12040002553 - 233 = 3450067961 is a prime.

It is a super-2 number, since 2×120400025532 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12040002523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020001276 + 6020001277.

It is an arithmetic number, because the mean of its divisors is an integer number (6020001277).

Almost surely, 212040002553 is an apocalyptic number.

It is an amenable number.

12040002553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040002553 is an equidigital number, since it uses as much as digits as its factorization.

12040002553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 12040002553 its reverse (35520004021), we get a palindrome (47560006574).

The spelling of 12040002553 in words is "twelve billion, forty million, two thousand, five hundred fifty-three".