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421342401041 = 10129947139303
BaseRepresentation
bin1100010000110011111…
…01101101001000010001
31111021120002001200021122
412020121331231020101
523400402123313131
6521321221532025
742304154213402
oct6103175551021
91437502050248
10421342401041
1115276588a171
12697aa874015
133096a178603
14165708859a9
15ae6042cd7b
hex6219f6d211

421342401041 has 8 divisors (see below), whose sum is σ = 425531371584. Its totient is φ = 417153769200.

The previous prime is 421342400981. The next prime is 421342401071. The reversal of 421342401041 is 140104243124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-421342401041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421342401041.

It is not an unprimeable number, because it can be changed into a prime (421342401071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954996 + ... + 3094298.

It is an arithmetic number, because the mean of its divisors is an integer number (53191421448).

Almost surely, 2421342401041 is an apocalyptic number.

It is an amenable number.

421342401041 is a deficient number, since it is larger than the sum of its proper divisors (4188970543).

421342401041 is a wasteful number, since it uses less digits than its factorization.

421342401041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169351.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 421342401041 its reverse (140104243124), we get a palindrome (561446644165).

The spelling of 421342401041 in words is "four hundred twenty-one billion, three hundred forty-two million, four hundred one thousand, forty-one".

Divisors: 1 101 29947 139303 3024647 14069603 4171706941 421342401041