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103111443145 = 529711113401
BaseRepresentation
bin110000000000111101…
…0111100001011001001
3100212011000101000211201
41200001322330023021
53142133012140040
6115211352024201
710310124543214
oct1400172741311
9325130330751
10103111443145
113a8027a3417
1217b97992061
139953313169
144dc239677b
152a37493a9a
hex1801ebc2c9

103111443145 has 8 divisors (see below), whose sum is σ = 128000412360. Its totient is φ = 79644700800.

The previous prime is 103111443107. The next prime is 103111443173. The reversal of 103111443145 is 541344111301.

It can be written as a sum of positive squares in 4 ways, for example, as 1059307209 + 102052135936 = 32547^2 + 319456^2 .

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

It is not a de Polignac number, because 103111443145 - 29 = 103111442633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355556556 + ... + 355556845.

It is an arithmetic number, because the mean of its divisors is an integer number (16000051545).

Almost surely, 2103111443145 is an apocalyptic number.

It is an amenable number.

103111443145 is a deficient number, since it is larger than the sum of its proper divisors (24888969215).

103111443145 is an equidigital number, since it uses as much as digits as its factorization.

103111443145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711113435.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 103111443145 its reverse (541344111301), we get a palindrome (644455554446).

The spelling of 103111443145 in words is "one hundred three billion, one hundred eleven million, four hundred forty-three thousand, one hundred forty-five".

Divisors: 1 5 29 145 711113401 3555567005 20622288629 103111443145