Search a number
-
+
20103432044 = 2230716370873
BaseRepresentation
bin10010101110010000…
…100000011101101100
31220220001011011100012
4102232100200131230
5312132434311134
613122502152352
71311116232023
oct225620403554
956801134305
1020103432044
118586955053
123a907226b8
131b84c50627
14d89d2b8ba
157c9d9c6ce
hex4ae42076c

20103432044 has 12 divisors (see below), whose sum is σ = 35295604344. Its totient is φ = 10018973664.

The previous prime is 20103432043. The next prime is 20103432053. The reversal of 20103432044 is 44023430102.

It is not an unprimeable number, because it can be changed into a prime (20103432043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8184209 + ... + 8186664.

It is an arithmetic number, because the mean of its divisors is an integer number (2941300362).

Almost surely, 220103432044 is an apocalyptic number.

It is an amenable number.

20103432044 is a deficient number, since it is larger than the sum of its proper divisors (15192172300).

20103432044 is a wasteful number, since it uses less digits than its factorization.

20103432044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16371184 (or 16371182 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20103432044 its reverse (44023430102), we get a palindrome (64126862146).

The spelling of 20103432044 in words is "twenty billion, one hundred three million, four hundred thirty-two thousand, forty-four".

Divisors: 1 2 4 307 614 1228 16370873 32741746 65483492 5025858011 10051716022 20103432044