Search a number
-
+
55151430404 = 22721042926981
BaseRepresentation
bin110011010111010010…
…000000101100000100
312021100121010221122112
4303113102000230010
51400422231233104
641200342320152
73661463265200
oct632722005404
9167317127575
1055151430404
11214315a9a54
12a832129058
13527c0ab5b5
14295296db00
15167bc5e86e
hexcd7480b04

55151430404 has 36 divisors (see below), whose sum is σ = 112287481740. Its totient is φ = 23633184960.

The previous prime is 55151430401. The next prime is 55151430407. The reversal of 55151430404 is 40403415155.

It is an interprime number because it is at equal distance from previous prime (55151430401) and next prime (55151430407).

It can be written as a sum of positive squares in 2 ways, for example, as 34114828804 + 21036601600 = 184702^2 + 145040^2 .

It is not an unprimeable number, because it can be changed into a prime (55151430401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030594 + ... + 2057574.

It is an arithmetic number, because the mean of its divisors is an integer number (3119096715).

Almost surely, 255151430404 is an apocalyptic number.

It is an amenable number.

55151430404 is an abundant number, since it is smaller than the sum of its proper divisors (57136051336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55151430404 is a wasteful number, since it uses less digits than its factorization.

55151430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37428 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 55151430404 its reverse (40403415155), we get a palindrome (95554845559).

The spelling of 55151430404 in words is "fifty-five billion, one hundred fifty-one million, four hundred thirty thousand, four hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 10429 20858 26981 41716 53962 73003 107924 146006 188867 292012 377734 511021 755468 1022042 1322069 2044084 2644138 5288276 281384849 562769698 1125539396 1969693943 3939387886 7878775772 13787857601 27575715202 55151430404