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420110234213 = 2976114116133
BaseRepresentation
bin1100001110100001000…
…01010111001001100101
31111011101012112010011012
412013100201113021211
523340341204443323
6520555044152005
742231503033315
oct6072041271145
91434335463135
10420110234213
11152193302a7a
1269506098605
1330801b00b07
1416494d81445
15addc18b678
hex61d0857265

420110234213 has 4 divisors (see below), whose sum is σ = 420124380108. Its totient is φ = 420096088320.

The previous prime is 420110234191. The next prime is 420110234251. The reversal of 420110234213 is 312432011024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 256879689889 + 163230544324 = 506833^2 + 404018^2 .

It is a cyclic number.

It is not a de Polignac number, because 420110234213 - 28 = 420110233957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420110234513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7028306 + ... + 7087827.

It is an arithmetic number, because the mean of its divisors is an integer number (105031095027).

Almost surely, 2420110234213 is an apocalyptic number.

It is an amenable number.

420110234213 is a deficient number, since it is larger than the sum of its proper divisors (14145895).

420110234213 is a wasteful number, since it uses less digits than its factorization.

420110234213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14145894.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 420110234213 its reverse (312432011024), we get a palindrome (732542245237).

The spelling of 420110234213 in words is "four hundred twenty billion, one hundred ten million, two hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 29761 14116133 420110234213