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10554619489 = 61173026549
BaseRepresentation
bin10011101010001101…
…01011011001100001
31000020120101020000221
421311012223121201
5133103440310424
64503154043041
7522360533251
oct116506533141
930216336027
1010554619489
114526897927
122066879481
13cc288749b
14721a95961
1541b9149e4
hex2751ab661

10554619489 has 4 divisors (see below), whose sum is σ = 10727646100. Its totient is φ = 10381592880.

The previous prime is 10554619487. The next prime is 10554619549. The reversal of 10554619489 is 98491645501.

10554619489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1018120464 + 9536499025 = 31908^2 + 97655^2 .

It is a cyclic number.

It is not a de Polignac number, because 10554619489 - 21 = 10554619487 is a prime.

It is a super-2 number, since 2×105546194892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10554619487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86513214 + ... + 86513335.

It is an arithmetic number, because the mean of its divisors is an integer number (2681911525).

Almost surely, 210554619489 is an apocalyptic number.

It is an amenable number.

10554619489 is a deficient number, since it is larger than the sum of its proper divisors (173026611).

10554619489 is an equidigital number, since it uses as much as digits as its factorization.

10554619489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173026610.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 10554619489 in words is "ten billion, five hundred fifty-four million, six hundred nineteen thousand, four hundred eighty-nine".

Divisors: 1 61 173026549 10554619489