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25354130000 = 24542535413
BaseRepresentation
bin10111100111001110…
…010101001001010000
32102102222021020211212
4113213032111021100
5403411124130000
615351510555252
71555204356233
oct274716251120
972388236755
1025354130000
11a830822151
124ab7068b28
132510a074b4
14132740b41a
159d5d24c35
hex5e7395250

25354130000 has 50 divisors (see below), whose sum is σ = 61384908354. Its totient is φ = 10141648000.

The previous prime is 25354129963. The next prime is 25354130023. The reversal of 25354130000 is 3145352.

It can be written as a sum of positive squares in 5 ways, for example, as 14363543104 + 10990586896 = 119848^2 + 104836^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1257707 + ... + 1277706.

Almost surely, 225354130000 is an apocalyptic number.

25354130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25354130000 is an abundant number, since it is smaller than the sum of its proper divisors (36030778354).

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

25354130000 is an equidigital number, since it uses as much as digits as its factorization.

25354130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535441 (or 2535420 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 25354130000 its reverse (3145352), we get a palindrome (25357275352).

The spelling of 25354130000 in words is "twenty-five billion, three hundred fifty-four million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 2535413 5070826 10141652 12677065 20283304 25354130 40566608 50708260 63385325 101416520 126770650 202833040 253541300 316926625 507082600 633853250 1014165200 1267706500 1584633125 2535413000 3169266250 5070826000 6338532500 12677065000 25354130000