Search a number
-
+
204441270709 = 1328591408279
BaseRepresentation
bin1011111001100110100…
…1100011100110110101
3201112200212022121120011
42332121221203212311
511322143431130314
6233530301540221
720525150062054
oct2763151434665
9645625277504
10204441270709
1179780849665
1233756b74671
13163814a2200
149c75ca039b
1554b83114c4
hex2f99a639b5

204441270709 has 12 divisors (see below), whose sum is σ = 221635106400. Its totient is φ = 188495193744.

The previous prime is 204441270703. The next prime is 204441270749. The reversal of 204441270709 is 907072144402.

It is a happy number.

It is not a de Polignac number, because 204441270709 - 225 = 204407716277 is a prime.

It is a super-2 number, since 2×2044412707092 (a number of 23 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 (204441270703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558969 + ... + 849310.

It is an arithmetic number, because the mean of its divisors is an integer number (18469592200).

Almost surely, 2204441270709 is an apocalyptic number.

It is an amenable number.

204441270709 is a deficient number, since it is larger than the sum of its proper divisors (17193835691).

204441270709 is a wasteful number, since it uses less digits than its factorization.

204441270709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409164 (or 1409151 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 204441270709 in words is "two hundred four billion, four hundred forty-one million, two hundred seventy thousand, seven hundred nine".

Divisors: 1 13 169 859 11167 145171 1408279 18307627 237999151 1209711661 15726251593 204441270709