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10550240145 = 33578149927
BaseRepresentation
bin10011101001101011…
…11110001110010001
31000020021010201201000
421310311332032101
5133101330141040
64502520132213
7522305363424
oct116465761621
930207121630
1010550240145
114524376635
122065307069
13cc19b3063
147212759bb
1541b34c130
hex274d7e391

10550240145 has 16 divisors (see below), whose sum is σ = 18755982720. Its totient is φ = 5626794672.

The previous prime is 10550240119. The next prime is 10550240147. The reversal of 10550240145 is 54104205501.

10550240145 is a `hidden beast` number, since 10 + 5 + 502 + 4 + 0 + 145 = 666.

It is not a de Polignac number, because 10550240145 - 26 = 10550240081 is a prime.

It is a super-2 number, since 2×105502401452 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10550240147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39074829 + ... + 39075098.

It is an arithmetic number, because the mean of its divisors is an integer number (1172248920).

Almost surely, 210550240145 is an apocalyptic number.

10550240145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10550240145 is a deficient number, since it is larger than the sum of its proper divisors (8205742575).

10550240145 is an equidigital number, since it uses as much as digits as its factorization.

10550240145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78149941 (or 78149935 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 10550240145 its reverse (54104205501), we get a palindrome (64654445646).

The spelling of 10550240145 in words is "ten billion, five hundred fifty million, two hundred forty thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 78149927 234449781 390749635 703349343 1172248905 2110048029 3516746715 10550240145