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103577561989 = 1121945053311
BaseRepresentation
bin110000001110110110…
…1000010101110000101
3100220100111110022200121
41200131231002232011
53144111323440424
6115325522341541
710324514515246
oct1403555025605
9326314408617
10103577561989
113aa21919400
12180a7aba8b1
1399c8a64825
14502824cccd
152a63367ee4
hex181db42b85

103577561989 has 12 divisors (see below), whose sum is σ = 119841809920. Its totient is φ = 89205553800.

The previous prime is 103577561947. The next prime is 103577562029. The reversal of 103577561989 is 989165775301.

It is not a de Polignac number, because 103577561989 - 213 = 103577553797 is a prime.

It is a super-3 number, since 3×1035775619893 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103577561389) 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 11 ways as a sum of consecutive naturals, for example, 22524357 + ... + 22528954.

Almost surely, 2103577561989 is an apocalyptic number.

103577561989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103577561989 is a deficient number, since it is larger than the sum of its proper divisors (16264247931).

103577561989 is a wasteful number, since it uses less digits than its factorization.

103577561989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45053352 (or 45053341 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 61.

It can be divided in two parts, 103577 and 561989, that added together give a palindrome (665566).

The spelling of 103577561989 in words is "one hundred three billion, five hundred seventy-seven million, five hundred sixty-one thousand, nine hundred eighty-nine".

Divisors: 1 11 19 121 209 2299 45053311 495586421 856012909 5451450631 9416141999 103577561989