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420420354001 = 951144203591
BaseRepresentation
bin1100001111000110000…
…00010111111111010001
31111012011211001211112021
412013203000113333101
523342010102312001
6521045523131441
742242260021534
oct6074300277721
91435154054467
10420420354001
1115233236961a
1269591b13b81
1330851132b4b
14164c422aa1b
15ae094e8ba1
hex61e3017fd1

420420354001 has 4 divisors (see below), whose sum is σ = 420464567104. Its totient is φ = 420376140900.

The previous prime is 420420353989. The next prime is 420420354031. The reversal of 420420354001 is 100453024024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420420354001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420420354031) 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, 22092285 + ... + 22111306.

It is an arithmetic number, because the mean of its divisors is an integer number (105116141776).

Almost surely, 2420420354001 is an apocalyptic number.

It is an amenable number.

420420354001 is a deficient number, since it is larger than the sum of its proper divisors (44213103).

420420354001 is an equidigital number, since it uses as much as digits as its factorization.

420420354001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44213102.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 420420354001 its reverse (100453024024), we get a palindrome (520873378025).

The spelling of 420420354001 in words is "four hundred twenty billion, four hundred twenty million, three hundred fifty-four thousand, one".

Divisors: 1 9511 44203591 420420354001