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212130104562 = 23214563809243
BaseRepresentation
bin1100010110001111110…
…0001000010011110010
3202021112201012211202100
43011203330020103302
511433420301321222
6241241244201230
721216532065225
oct3054374102362
9667481184670
10212130104562
1181a66a06302
1235141b39216
1317008407c3c
14a3a50c95bc
1557b83444ac
hex3163f084f2

212130104562 has 24 divisors (see below), whose sum is σ = 459647355024. Its totient is φ = 70705092024.

The previous prime is 212130104561. The next prime is 212130104567. The reversal of 212130104562 is 265401031212.

It is a super-2 number, since 2×2121301045622 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212130104561) 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, 142488 + ... + 666755.

It is an arithmetic number, because the mean of its divisors is an integer number (19151973126).

Almost surely, 2212130104562 is an apocalyptic number.

212130104562 is an abundant number, since it is smaller than the sum of its proper divisors (247517250462).

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

212130104562 is a wasteful number, since it uses less digits than its factorization.

212130104562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823814 (or 823811 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 212130104562 its reverse (265401031212), we get a palindrome (477531135774).

The spelling of 212130104562 in words is "two hundred twelve billion, one hundred thirty million, one hundred four thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 18 14563 29126 43689 87378 131067 262134 809243 1618486 2427729 4855458 7283187 14566374 11785005809 23570011618 35355017427 70710034854 106065052281 212130104562