Search a number
-
+
1620067044055 = 51789214152947
BaseRepresentation
bin10111100100110011100…
…001010100101011010111
312201212200020221221101011
4113210303201110223113
5203020344130402210
63240125403113051
7225021525443455
oct27446341245327
95655606857334
101620067044055
1157508067a719
12221b91212787
13b9a05475bc5
14585a98659d5
152c21d194d8a
hex17933854ad7

1620067044055 has 16 divisors (see below), whose sum is σ = 2081566654560. Its totient is φ = 1206109391872.

The previous prime is 1620067044049. The next prime is 1620067044091. The reversal of 1620067044055 is 5504407600261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1620067044055 - 211 = 1620067042007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1620067043999 and 1620067044017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107068909 + ... + 107084038.

It is an arithmetic number, because the mean of its divisors is an integer number (130097915910).

Almost surely, 21620067044055 is an apocalyptic number.

1620067044055 is a deficient number, since it is larger than the sum of its proper divisors (461499610505).

1620067044055 is a wasteful number, since it uses less digits than its factorization.

1620067044055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214153058.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 1620067044055 in words is "one trillion, six hundred twenty billion, sixty-seven million, forty-four thousand, fifty-five".

Divisors: 1 5 17 85 89 445 1513 7565 214152947 1070764735 3640600099 18203000495 19059612283 95298061415 324013408811 1620067044055