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105554444045 = 51947233241421
BaseRepresentation
bin110001001001110001…
…0001111111100001101
3101002110021022100001112
41202103202033330031
53212133414202140
6120254022021405
710424510653631
oct1422342177415
9332407270045
10105554444045
1140846806126
1218559b77865
139c524a651b
145174a0adc1
152b2bbb0c65
hex189388ff0d

105554444045 has 64 divisors (see below), whose sum is σ = 137646812160. Its totient is φ = 77453107200.

The previous prime is 105554444029. The next prime is 105554444089. The reversal of 105554444045 is 540444455501.

It is not a de Polignac number, because 105554444045 - 24 = 105554444029 is a prime.

It is a super-2 number, since 2×1055544440452 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105554443993 and 105554444011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250722935 + ... + 250723355.

It is an arithmetic number, because the mean of its divisors is an integer number (2150731440).

Almost surely, 2105554444045 is an apocalyptic number.

It is an amenable number.

105554444045 is a deficient number, since it is larger than the sum of its proper divisors (32092368115).

105554444045 is a wasteful number, since it uses less digits than its factorization.

105554444045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 640000, while the sum is 41.

Adding to 105554444045 its reverse (540444455501), we get a palindrome (645998899546).

The spelling of 105554444045 in words is "one hundred five billion, five hundred fifty-four million, four hundred forty-four thousand, forty-five".

Divisors: 1 5 19 47 95 233 235 241 421 893 1165 1205 2105 4427 4465 4579 7999 10951 11327 19787 22135 22895 39995 54755 56153 56635 98093 98935 101461 208069 215213 280765 375953 490465 507305 1040345 1066907 1076065 1863767 1879765 1927759 2639191 4610371 4768667 5334535 9318835 9638795 13195955 23051855 23640413 23843335 50144629 87597049 90604673 118202065 250723145 437985245 449167847 453023365 1111099411 2245839235 5555497055 21110888809 105554444045