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212141440312 = 23204411297279
BaseRepresentation
bin1100010110010010011…
…1010111110100111000
3202021120111112202110221
43011210213113310320
511433431202042222
6241242331145424
721220030330114
oct3054447276470
9667514482427
10212141440312
1181a72348a9a
12351458a5274
131700a876799
14a3a67da744
1557b93330c7
hex31649d7d38

212141440312 has 16 divisors (see below), whose sum is σ = 397784966400. Its totient is φ = 106065449280.

The previous prime is 212141440307. The next prime is 212141440333. The reversal of 212141440312 is 213044141212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485112 + ... + 812167.

It is an arithmetic number, because the mean of its divisors is an integer number (24861560400).

Almost surely, 2212141440312 is an apocalyptic number.

It is an amenable number.

212141440312 is a deficient number, since it is larger than the sum of its proper divisors (185643526088).

212141440312 is a wasteful number, since it uses less digits than its factorization.

212141440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317726 (or 1317722 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 212141440312 its reverse (213044141212), we get a palindrome (425185581524).

The spelling of 212141440312 in words is "two hundred twelve billion, one hundred forty-one million, four hundred forty thousand, three hundred twelve".

Divisors: 1 2 4 8 20441 40882 81764 163528 1297279 2594558 5189116 10378232 26517680039 53035360078 106070720156 212141440312