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213420044401 = 313751907927
BaseRepresentation
bin1100011011000011010…
…0110111000001110001
3202101212121110120112221
43012300310313001301
511444041012410101
6242013244121041
721263514305614
oct3066064670161
9671777416487
10213420044401
1182569062193
1235441b36181
131718272cb55
14a48854c17b
1558416e8aa1
hex31b0d37071

213420044401 has 8 divisors (see below), whose sum is σ = 214387222784. Its totient is φ = 212454684000.

The previous prime is 213420044351. The next prime is 213420044459. The reversal of 213420044401 is 104440024312.

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-213420044401 is a prime.

It is a super-2 number, since 2×2134200444012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213420042401) 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, 218901 + ... + 689026.

It is an arithmetic number, because the mean of its divisors is an integer number (26798402848).

Almost surely, 2213420044401 is an apocalyptic number.

It is an amenable number.

213420044401 is a deficient number, since it is larger than the sum of its proper divisors (967178383).

213420044401 is an equidigital number, since it uses as much as digits as its factorization.

213420044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908991.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213420044401 its reverse (104440024312), we get a palindrome (317860068713).

The spelling of 213420044401 in words is "two hundred thirteen billion, four hundred twenty million, forty-four thousand, four hundred one".

Divisors: 1 313 751 235063 907927 284181151 681853177 213420044401