Search a number
-
+
20054415544 = 2397163715787
BaseRepresentation
bin10010101011010101…
…100001100010111000
31220202121220212100021
4102223111201202320
5312032412244134
613113551420224
71306652501542
oct225325414270
956677825307
1020054415544
118561216249
123a78224674
131b77a4aa97
14d8360c692
157c59190b4
hex4ab5618b8

20054415544 has 32 divisors (see below), whose sum is σ = 38015293680. Its totient is φ = 9917144064.

The previous prime is 20054415529. The next prime is 20054415581. The reversal of 20054415544 is 44551445002.

It is a super-2 number, since 2×200544155442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1262419 + ... + 1278205.

Almost surely, 220054415544 is an apocalyptic number.

It is an amenable number.

20054415544 is a deficient number, since it is larger than the sum of its proper divisors (17960878136).

20054415544 is a wasteful number, since it uses less digits than its factorization.

20054415544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17527 (or 17523 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 20054415544 in words is "twenty billion, fifty-four million, four hundred fifteen thousand, five hundred forty-four".

Divisors: 1 2 4 8 97 194 388 776 1637 3274 6548 13096 15787 31574 63148 126296 158789 317578 635156 1270312 1531339 3062678 6125356 12250712 25843319 51686638 103373276 206746552 2506801943 5013603886 10027207772 20054415544