Search a number
-
+
55000006005 = 357523809581
BaseRepresentation
bin110011001110010000…
…010111110101110101
312020222001012210102110
4303032100113311311
51400120000143010
641133333001233
73654644223510
oct631620276565
9166861183373
1055000006005
112136408461a
12a7ab483219
135256901269
14293a7d3d77
15166d7ed120
hexcce417d75

55000006005 has 16 divisors (see below), whose sum is σ = 100571439744. Its totient is φ = 25142859840.

The previous prime is 55000006003. The next prime is 55000006031. The reversal of 55000006005 is 50060000055.

It is not a de Polignac number, because 55000006005 - 21 = 55000006003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000006003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261904686 + ... + 261904895.

It is an arithmetic number, because the mean of its divisors is an integer number (6285714984).

Almost surely, 255000006005 is an apocalyptic number.

It is an amenable number.

55000006005 is a deficient number, since it is larger than the sum of its proper divisors (45571433739).

55000006005 is a wasteful number, since it uses less digits than its factorization.

55000006005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523809596.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 55000006005 in words is "fifty-five billion, six thousand, five".

Divisors: 1 3 5 7 15 21 35 105 523809581 1571428743 2619047905 3666667067 7857143715 11000001201 18333335335 55000006005