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214264412420 = 22510713220621
BaseRepresentation
bin1100011110001100100…
…1110111100100000100
3202111001110021220201112
43013203021313210010
512002303142144140
6242233125544152
721323446312142
oct3074311674404
9674043256645
10214264412420
11829617473a3
1235638875058
13172886487b6
14a528746592
1558908d6c65
hex31e3277904

214264412420 has 12 divisors (see below), whose sum is σ = 449955266124. Its totient is φ = 85705764960.

The previous prime is 214264412407. The next prime is 214264412431. The reversal of 214264412420 is 24214462412.

It can be written as a sum of positive squares in 2 ways, for example, as 26631628864 + 187632783556 = 163192^2 + 433166^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 5356610291 + ... + 5356610330.

It is an arithmetic number, because the mean of its divisors is an integer number (37496272177).

Almost surely, 2214264412420 is an apocalyptic number.

214264412420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214264412420 is an abundant number, since it is smaller than the sum of its proper divisors (235690853704).

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

214264412420 is a wasteful number, since it uses less digits than its factorization.

214264412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713220630 (or 10713220628 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 214264412420 its reverse (24214462412), we get a palindrome (238478874832).

The spelling of 214264412420 in words is "two hundred fourteen billion, two hundred sixty-four million, four hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 10713220621 21426441242 42852882484 53566103105 107132206210 214264412420