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11405554020637 = 72696057118439
BaseRepresentation
bin1010010111111000111111…
…1111101111000100011101
31111101100201200002112022021
42211332033333233010131
52443332033312130022
640131350021420141
72255011155400330
oct245761777570435
944340650075267
1011405554020637
1136a80829a2207
121342580b6a651
1364970160b52a
142b6063214617
1514ba409937c7
hexa5f8ffef11d

11405554020637 has 8 divisors (see below), whose sum is σ = 13083375830400. Its totient is φ = 9739846448304.

The previous prime is 11405554020631. The next prime is 11405554020649. The reversal of 11405554020637 is 73602045550411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-11405554020637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11405554020593 and 11405554020602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405554020631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028557337 + ... + 3028561102.

It is an arithmetic number, because the mean of its divisors is an integer number (1635421978800).

Almost surely, 211405554020637 is an apocalyptic number.

It is an amenable number.

11405554020637 is a deficient number, since it is larger than the sum of its proper divisors (1677821809763).

11405554020637 is an equidigital number, since it uses as much as digits as its factorization.

11405554020637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057118715.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 11405554020637 in words is "eleven trillion, four hundred five billion, five hundred fifty-four million, twenty thousand, six hundred thirty-seven".

Divisors: 1 7 269 1883 6057118439 42399829073 1629364860091 11405554020637