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11211421412 = 2213937395393
BaseRepresentation
bin10100111000100000…
…01011011011100100
31001221100021012220002
422130100023123210
5140430110441122
65052255400432
7544554336542
oct123420133344
931840235802
1011211421412
114833611934
12220a823118
131098980489
14784dc6d92
15459402992
hex29c40b6e4

11211421412 has 24 divisors (see below), whose sum is σ = 19770088800. Its totient is φ = 5562861696.

The previous prime is 11211421367. The next prime is 11211421453. The reversal of 11211421412 is 21412411211.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076188 + ... + 2081580.

It is an arithmetic number, because the mean of its divisors is an integer number (823753700).

Almost surely, 211211421412 is an apocalyptic number.

It is an amenable number.

11211421412 is a deficient number, since it is larger than the sum of its proper divisors (8558667388).

11211421412 is a wasteful number, since it uses less digits than its factorization.

11211421412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275 (or 9273 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 11211421412 its reverse (21412411211), we get a palindrome (32623832623).

The spelling of 11211421412 in words is "eleven billion, two hundred eleven million, four hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 139 278 556 3739 5393 7478 10786 14956 21572 519721 749627 1039442 1499254 2078884 2998508 20164427 40328854 80657708 2802855353 5605710706 11211421412