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1454144659909 = 10512911383199
BaseRepresentation
bin10101001010010001110…
…001101010000111000101
312011000101211201111122021
4111022101301222013011
5142311042013104114
63032005210403141
7210026026445254
oct25122161520705
95130354644567
101454144659909
11510776829707
121b59a61304b1
13a7182247686
145054958879b
1527c5b802024
hex15291c6a1c5

1454144659909 has 4 divisors (see below), whose sum is σ = 1454147094400. Its totient is φ = 1454142225420.

The previous prime is 1454144659883. The next prime is 1454144659921. The reversal of 1454144659909 is 9099564414541.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1454144659909 - 213 = 1454144651717 is a prime.

It is a super-2 number, since 2×14541446599092 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454144659969) 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, 359692 + ... + 1742890.

It is an arithmetic number, because the mean of its divisors is an integer number (363536773600).

Almost surely, 21454144659909 is an apocalyptic number.

It is an amenable number.

1454144659909 is a deficient number, since it is larger than the sum of its proper divisors (2434491).

1454144659909 is a wasteful number, since it uses less digits than its factorization.

1454144659909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434490.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 1454144659909 in words is "one trillion, four hundred fifty-four billion, one hundred forty-four million, six hundred fifty-nine thousand, nine hundred nine".

Divisors: 1 1051291 1383199 1454144659909