Search a number
-
+
2153517325 = 5299186923
BaseRepresentation
bin1000000001011100…
…0001000100001101
312120002020000101221
42000113001010031
513402300023300
6553405203341
7104236411111
oct20027010415
95502200357
102153517325
11a05671493
12501260551
1328420820b
1416601b741
15c90d931a
hex805c110d

2153517325 has 12 divisors (see below), whose sum is σ = 2673086848. Its totient is φ = 1721055600.

The previous prime is 2153517319. The next prime is 2153517371. The reversal of 2153517325 is 5237153512.

It is not a de Polignac number, because 2153517325 - 229 = 1616646413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18687 + ... + 68236.

Almost surely, 22153517325 is an apocalyptic number.

2153517325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153517325 is a deficient number, since it is larger than the sum of its proper divisors (519569523).

2153517325 is an equidigital number, since it uses as much as digits as its factorization.

2153517325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87924 (or 87919 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 2153517325 is about 46406.0052687150. The cubic root of 2153517325 is about 1291.3663236938.

The spelling of 2153517325 in words is "two billion, one hundred fifty-three million, five hundred seventeen thousand, three hundred twenty-five".

Divisors: 1 5 25 991 4955 24775 86923 434615 2173075 86140693 430703465 2153517325