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10440012541 = 71491430363
BaseRepresentation
bin10011011100100010…
…11111001011111101
3222221120201120212011
421232101133023331
5132340120400131
64443541411221
7516466433230
oct115621371375
928846646764
1010440012541
114478129a42
122034409b11
13ca4bcb21a
14710781417
154118270b1
hex26e45f2fd

10440012541 has 4 divisors (see below), whose sum is σ = 11931442912. Its totient is φ = 8948582172.

The previous prime is 10440012529. The next prime is 10440012559. The reversal of 10440012541 is 14521004401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14521004401 = 26953981429.

It is a cyclic number.

It is not a de Polignac number, because 10440012541 - 217 = 10439881469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440012571) 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, 745715175 + ... + 745715188.

It is an arithmetic number, because the mean of its divisors is an integer number (2982860728).

Almost surely, 210440012541 is an apocalyptic number.

It is an amenable number.

10440012541 is a deficient number, since it is larger than the sum of its proper divisors (1491430371).

10440012541 is an equidigital number, since it uses as much as digits as its factorization.

10440012541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491430370.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 10440012541 its reverse (14521004401), we get a palindrome (24961016942).

The spelling of 10440012541 in words is "ten billion, four hundred forty million, twelve thousand, five hundred forty-one".

Divisors: 1 7 1491430363 10440012541