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421211041041 = 3720057668621
BaseRepresentation
bin1100010000100100010…
…00100110110100010001
31111021012220212220020110
412020102020212310101
523400120011303131
6521300210231533
742301000526550
oct6102210466421
91437186786213
10421211041041
111526a871948a
12697728855a9
1330948ba4abb
141655b24dd97
15ae53b31646
hex6212226d11

421211041041 has 8 divisors (see below), whose sum is σ = 641845395904. Its totient is φ = 240692023440.

The previous prime is 421211040979. The next prime is 421211041057. The reversal of 421211041041 is 140140112124.

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

It is not a de Polignac number, because 421211041041 - 211 = 421211038993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 20057668621 = 421211041041 / (4 + 2 + 1 + 2 + 1 + 1 + 0 + 4 + 1 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421211040999 and 421211041017.

It is not an unprimeable number, because it can be changed into a prime (421211041091) 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, 10028834290 + ... + 10028834331.

It is an arithmetic number, because the mean of its divisors is an integer number (80230674488).

Almost surely, 2421211041041 is an apocalyptic number.

It is an amenable number.

421211041041 is a deficient number, since it is larger than the sum of its proper divisors (220634354863).

421211041041 is a wasteful number, since it uses less digits than its factorization.

421211041041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057668631.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 421211041041 its reverse (140140112124), we get a palindrome (561351153165).

The spelling of 421211041041 in words is "four hundred twenty-one billion, two hundred eleven million, forty-one thousand, forty-one".

Divisors: 1 3 7 21 20057668621 60173005863 140403680347 421211041041