Search a number
-
+
20111053360 = 245251388167
BaseRepresentation
bin10010101110101101…
…100101001000110000
31220220120111100211011
4102232231211020300
5312141412201420
613123333400304
71311241063426
oct225655451060
956816440734
1020111053360
118590190062
123a93199094
131b866bb598
14d8ad53116
157ca8a595a
hex4aeb65230

20111053360 has 20 divisors (see below), whose sum is σ = 46758199248. Its totient is φ = 8044421312.

The previous prime is 20111053337. The next prime is 20111053433. The reversal of 20111053360 is 6335011102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125694004 + ... + 125694163.

Almost surely, 220111053360 is an apocalyptic number.

20111053360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111053360 is an abundant number, since it is smaller than the sum of its proper divisors (26647145888).

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

20111053360 is a wasteful number, since it uses less digits than its factorization.

20111053360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251388180 (or 251388174 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 20111053360 its reverse (6335011102), we get a palindrome (26446064462).

The spelling of 20111053360 in words is "twenty billion, one hundred eleven million, fifty-three thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 251388167 502776334 1005552668 1256940835 2011105336 2513881670 4022210672 5027763340 10055526680 20111053360