Search a number
-
+
20004053425 = 5217151311711
BaseRepresentation
bin10010101000010101…
…011010000110110001
31220122010011012111121
4102220111122012301
5311432014202200
613104552142241
71305501435316
oct225025320661
956563135447
1020004053425
118535848464
123a63397981
131b6a496905
14d7aa5cd0d
157c12bbe1a
hex4a855a1b1

20004053425 has 24 divisors (see below), whose sum is σ = 26438164992. Its totient is φ = 14962080000.

The previous prime is 20004053413. The next prime is 20004053453. The reversal of 20004053425 is 52435040002.

It is not a de Polignac number, because 20004053425 - 27 = 20004053297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 20004053425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91681 + ... + 220030.

It is an arithmetic number, because the mean of its divisors is an integer number (1101590208).

Almost surely, 220004053425 is an apocalyptic number.

20004053425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20004053425 is a deficient number, since it is larger than the sum of its proper divisors (6434111567).

20004053425 is a wasteful number, since it uses less digits than its factorization.

20004053425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311889 (or 311884 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20004053425 its reverse (52435040002), we get a palindrome (72439093427).

The spelling of 20004053425 in words is "twenty billion, four million, fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 151 425 755 2567 3775 12835 64175 311711 1558555 5299087 7792775 26495435 47068361 132477175 235341805 800162137 1176709025 4000810685 20004053425