Search a number
-
+
20100424434 = 233350070739
BaseRepresentation
bin10010101110000101…
…000010001011110010
31220212211111100200020
4102232011002023302
5312131202040214
613122313504310
71311051534336
oct225605021362
956784440606
1020100424434
118585190422
123a8b712096
131b8443968c
14d897877c6
157c99a64a9
hex4ae1422f2

20100424434 has 8 divisors (see below), whose sum is σ = 40200848880. Its totient is φ = 6700141476.

The previous prime is 20100424429. The next prime is 20100424439. The reversal of 20100424434 is 43442400102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20100424429) and next prime (20100424439).

It is a sphenic number, since it is the product of 3 distinct primes.

20100424434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20100424439) 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, 1675035364 + ... + 1675035375.

It is an arithmetic number, because the mean of its divisors is an integer number (5025106110).

Almost surely, 220100424434 is an apocalyptic number.

20100424434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100424434 is a wasteful number, since it uses less digits than its factorization.

20100424434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350070744.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20100424434 its reverse (43442400102), we get a palindrome (63542824536).

The spelling of 20100424434 in words is "twenty billion, one hundred million, four hundred twenty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 3350070739 6700141478 10050212217 20100424434