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1214806806 = 23267489267
BaseRepresentation
bin100100001101000…
…0111101100010110
310010122212120122200
41020122013230112
54441442304211
6320313305330
742050454543
oct11032075426
93118776580
101214806806
115737aa374
1229aa05246
131648a9bc5
14b74a5bca
15719b2b56
hex48687b16

1214806806 has 12 divisors (see below), whose sum is σ = 2632081452. Its totient is φ = 404935596.

The previous prime is 1214806777. The next prime is 1214806807. The reversal of 1214806806 is 6086084121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214806807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33744616 + ... + 33744651.

It is an arithmetic number, because the mean of its divisors is an integer number (219340121).

Almost surely, 21214806806 is an apocalyptic number.

1214806806 is an abundant number, since it is smaller than the sum of its proper divisors (1417274646).

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

1214806806 is a wasteful number, since it uses less digits than its factorization.

1214806806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67489275 (or 67489272 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1214806806 is about 34854.0787570121. The cubic root of 1214806806 is about 1067.0114311108.

The spelling of 1214806806 in words is "one billion, two hundred fourteen million, eight hundred six thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 67489267 134978534 202467801 404935602 607403403 1214806806