Search a number
-
+
2123213213030 = 257132333201333
BaseRepresentation
bin11110111001011001010…
…111101000110101100110
321111222101101020121002112
4132321121113220311212
5234241320040304110
64303220215441022
7306253126351340
oct36713127506546
97458341217075
102123213213030
117494a4563468
122a35ab986172
131252ab365410
1474a9a860290
153a36a0e1405
hex1ee595e8d66

2123213213030 has 32 divisors (see below), whose sum is σ = 4703733889344. Its totient is φ = 671961983616.

The previous prime is 2123213213003. The next prime is 2123213213053. The reversal of 2123213213030 is 303123123212.

It is a junction number, because it is equal to n+sod(n) for n = 2123213212987 and 2123213213005.

It is a congruent number.

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, 1166599757 + ... + 1166601576.

It is an arithmetic number, because the mean of its divisors is an integer number (146991684042).

Almost surely, 22123213213030 is an apocalyptic number.

2123213213030 is an abundant number, since it is smaller than the sum of its proper divisors (2580520676314).

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

2123213213030 is a wasteful number, since it uses less digits than its factorization.

2123213213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333201360.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2123213213030 its reverse (303123123212), we get a palindrome (2426336336242).

The spelling of 2123213213030 in words is "two trillion, one hundred twenty-three billion, two hundred thirteen million, two hundred thirteen thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 2333201333 4666402666 11666006665 16332409331 23332013330 30331617329 32664818662 60663234658 81662046655 151658086645 163324093310 212321321303 303316173290 424642642606 1061606606515 2123213213030