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22434809913 = 323833365029
BaseRepresentation
bin10100111001001110…
…000000100000111001
32010220112001102112200
4110321032000200321
5331421302404123
614150103500413
71422645511035
oct247116004071
963815042480
1022434809913
11957295781a
124421457709
132166c60969
14112b8071c5
158b48bb143
hex539380839

22434809913 has 12 divisors (see below), whose sum is σ = 32407180260. Its totient is φ = 14955919776.

The previous prime is 22434809879. The next prime is 22434809923. The reversal of 22434809913 is 31990843422.

It can be written as a sum of positive squares in 2 ways, for example, as 20365287849 + 2069522064 = 142707^2 + 45492^2 .

It is not a de Polignac number, because 22434809913 - 221 = 22432712761 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22434809923) 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, 312483 + ... + 377511.

It is an arithmetic number, because the mean of its divisors is an integer number (2700598355).

Almost surely, 222434809913 is an apocalyptic number.

It is an amenable number.

22434809913 is a deficient number, since it is larger than the sum of its proper divisors (9972370347).

22434809913 is a wasteful number, since it uses less digits than its factorization.

22434809913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103368 (or 103365 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 22434809913 in words is "twenty-two billion, four hundred thirty-four million, eight hundred nine thousand, nine hundred thirteen".

Divisors: 1 3 9 38333 65029 114999 195087 344997 585261 2492756657 7478269971 22434809913