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421030311113 = 1724766488889
BaseRepresentation
bin1100010000001110101…
…11001011010011001001
31111020202022210212101102
412020013113023103021
523344232224423423
6521230232431145
742263344411256
oct6100727132311
91436668725342
10421030311113
111526156a8405
12697222484b5
133091a606909
141654124642d
15ae42d31c28
hex62075cb4c9

421030311113 has 4 divisors (see below), whose sum is σ = 445796800020. Its totient is φ = 396263822208.

The previous prime is 421030311101. The next prime is 421030311137. The reversal of 421030311113 is 311113030124.

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 311864168704 + 109166142409 = 558448^2 + 330403^2 .

It is a cyclic number.

It is not a de Polignac number, because 421030311113 - 210 = 421030310089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421030311173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12383244428 + ... + 12383244461.

It is an arithmetic number, because the mean of its divisors is an integer number (111449200005).

Almost surely, 2421030311113 is an apocalyptic number.

It is an amenable number.

421030311113 is a deficient number, since it is larger than the sum of its proper divisors (24766488907).

421030311113 is a wasteful number, since it uses less digits than its factorization.

421030311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24766488906.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 421030311113 its reverse (311113030124), we get a palindrome (732143341237).

The spelling of 421030311113 in words is "four hundred twenty-one billion, thirty million, three hundred eleven thousand, one hundred thirteen".

Divisors: 1 17 24766488889 421030311113