Search a number
-
+
55642151130 = 2351997617809
BaseRepresentation
bin110011110100100001…
…111101100011011010
312022121210112010221020
4303310201331203122
51402423342314010
641321152223310
74006602323646
oct636441754332
9168553463836
1055642151130
11216635a8775
12a94a53ab36
135329964ba7
14299bbcbc26
1516a9d93470
hexcf487d8da

55642151130 has 32 divisors (see below), whose sum is σ = 140569646400. Its totient is φ = 14056964352.

The previous prime is 55642151119. The next prime is 55642151153. The reversal of 55642151130 is 3115124655.

It is a junction number, because it is equal to n+sod(n) for n = 55642151091 and 55642151100.

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, 48808335 + ... + 48809474.

It is an arithmetic number, because the mean of its divisors is an integer number (4392801450).

Almost surely, 255642151130 is an apocalyptic number.

55642151130 is an abundant number, since it is smaller than the sum of its proper divisors (84927495270).

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

55642151130 is a wasteful number, since it uses less digits than its factorization.

55642151130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97617838.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 55642151130 its reverse (3115124655), we get a palindrome (58757275785).

The spelling of 55642151130 in words is "fifty-five billion, six hundred forty-two million, one hundred fifty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 97617809 195235618 292853427 488089045 585706854 976178090 1464267135 1854738371 2928534270 3709476742 5564215113 9273691855 11128430226 18547383710 27821075565 55642151130