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10421142201421 = 72174396846677
BaseRepresentation
bin1001011110100101110001…
…1110101010010001001101
31100220020210022120201212021
42113221130132222101031
52331214444400421141
634055223500010141
72123621422112440
oct227513436522115
940806708521767
1010421142201421
113358644104256
12120382b530951
135a792b9a9a03
1428055917d657
151311279c76d1
hex97a5c7aa44d

10421142201421 has 8 divisors (see below), whose sum is σ = 11909933314560. Its totient is φ = 8932365216528.

The previous prime is 10421142201397. The next prime is 10421142201451. The reversal of 10421142201421 is 12410224112401.

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

It is a cyclic number.

It is not a de Polignac number, because 10421142201421 - 221 = 10421140104269 is a prime.

It is a super-2 number, since 2×104211422014212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421142201451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901266 + ... + 4945411.

It is an arithmetic number, because the mean of its divisors is an integer number (1488741664320).

Almost surely, 210421142201421 is an apocalyptic number.

It is an amenable number.

10421142201421 is a deficient number, since it is larger than the sum of its proper divisors (1488791113139).

10421142201421 is an equidigital number, since it uses as much as digits as its factorization.

10421142201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064123.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 10421142201421 its reverse (12410224112401), we get a palindrome (22831366313822).

The spelling of 10421142201421 in words is "ten trillion, four hundred twenty-one billion, one hundred forty-two million, two hundred one thousand, four hundred twenty-one".

Divisors: 1 7 217439 1522073 6846677 47926739 1488734600203 10421142201421