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201044434321 = 719712916181
BaseRepresentation
bin1011101100111100101…
…1101001110110010001
3201012221010120110001001
42323033023221312101
511243214333344241
6232205235542001
720345032332013
oct2731713516621
9635833513031
10201044434321
1178298384165
1232b6945a901
1315c5c816353
149a32ab81b3
155369ed1431
hex2ecf2e9d91

201044434321 has 8 divisors (see below), whose sum is σ = 204086081088. Its totient is φ = 198008622000.

The previous prime is 201044434309. The next prime is 201044434363. The reversal of 201044434321 is 123434440102.

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 201044434321 - 29 = 201044433809 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 201044434321.

It is not an unprimeable number, because it can be changed into a prime (201044434391) 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, 1389150 + ... + 1527031.

It is an arithmetic number, because the mean of its divisors is an integer number (25510760136).

Almost surely, 2201044434321 is an apocalyptic number.

It is an amenable number.

201044434321 is a deficient number, since it is larger than the sum of its proper divisors (3041646767).

201044434321 is an equidigital number, since it uses as much as digits as its factorization.

201044434321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917223.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 201044434321 its reverse (123434440102), we get a palindrome (324478874423).

The spelling of 201044434321 in words is "two hundred one billion, forty-four million, four hundred thirty-four thousand, three hundred twenty-one".

Divisors: 1 71 971 68941 2916181 207048851 2831611751 201044434321