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1550104431123 = 31787289144643
BaseRepresentation
bin10110100011101001011…
…011001000101000010011
312111012002102221221220210
4112203221123020220103
5200344103213243443
63144035205335203
7216664014160143
oct26435133105023
95435072857823
101550104431123
115484395a4056
12210506a07503
13b32359bb9a1
145504dbc2923
152a4c5ebbc33
hex168e96c8a13

1550104431123 has 8 divisors (see below), whose sum is σ = 2067962493888. Its totient is φ = 1032824661224.

The previous prime is 1550104431103. The next prime is 1550104431133. The reversal of 1550104431123 is 3211344010551.

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

It is a cyclic number.

It is not a de Polignac number, because 1550104431123 - 25 = 1550104431091 is a prime.

It is a super-2 number, since 2×15501044311232 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1550104431103) 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 7 ways as a sum of consecutive naturals, for example, 144566961 + ... + 144577682.

It is an arithmetic number, because the mean of its divisors is an integer number (258495311736).

Almost surely, 21550104431123 is an apocalyptic number.

1550104431123 is a deficient number, since it is larger than the sum of its proper divisors (517858062765).

1550104431123 is a wasteful number, since it uses less digits than its factorization.

1550104431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289146433.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1550104431123 its reverse (3211344010551), we get a palindrome (4761448441674).

The spelling of 1550104431123 in words is "one trillion, five hundred fifty billion, one hundred four million, four hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 3 1787 5361 289144643 867433929 516701477041 1550104431123