Search a number
-
+
2120203232130 = 235431643568397
BaseRepresentation
bin11110110110100101111…
…101011110001110000010
321111200121121102201112110
4132312211331132032002
5234214134011412010
64302001413240150
7306115420055664
oct36664575361602
97450547381473
102120203232130
1174819a4a6245
122a2aab933056
13124c1b897c29
1474892bba534
153a240c2a120
hex1eda5f5e382

2120203232130 has 32 divisors (see below), whose sum is σ = 5206824684864. Its totient is φ = 552238981056.

The previous prime is 2120203232123. The next prime is 2120203232141. The reversal of 2120203232130 is 312323020212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120203232097 and 2120203232106.

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, 821782909 + ... + 821785488.

It is an arithmetic number, because the mean of its divisors is an integer number (162713271402).

Almost surely, 22120203232130 is an apocalyptic number.

2120203232130 is an abundant number, since it is smaller than the sum of its proper divisors (3086621452734).

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

2120203232130 is a wasteful number, since it uses less digits than its factorization.

2120203232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643568450.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2120203232130 its reverse (312323020212), we get a palindrome (2432526252342).

The spelling of 2120203232130 in words is "two trillion, one hundred twenty billion, two hundred three million, two hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 1643568397 3287136794 4930705191 8217841985 9861410382 16435683970 24653525955 49307051910 70673441071 141346882142 212020323213 353367205355 424040646426 706734410710 1060101616065 2120203232130