Search a number
-
+
8101110260 = 225405055513
BaseRepresentation
bin1111000101101110…
…10010000111110100
3202220120200001002202
413202313102013310
5113042341012020
63415510524032
7404516205155
oct74267220764
922816601082
108101110260
113487958051
1216a1066618
139c1485089
1456bca792c
1532631de75
hex1e2dd21f4

8101110260 has 12 divisors (see below), whose sum is σ = 17012331588. Its totient is φ = 3240444096.

The previous prime is 8101110253. The next prime is 8101110319. The reversal of 8101110260 is 620111018.

It can be written as a sum of positive squares in 2 ways, for example, as 4963766116 + 3137344144 = 70454^2 + 56012^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 405055513 = 8101110260 / (8 + 1 + 0 + 1 + 1 + 1 + 0 + 2 + 6 + 0).

It is a congruent number.

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, 202527737 + ... + 202527776.

It is an arithmetic number, because the mean of its divisors is an integer number (1417694299).

Almost surely, 28101110260 is an apocalyptic number.

It is an amenable number.

8101110260 is an abundant number, since it is smaller than the sum of its proper divisors (8911221328).

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

8101110260 is a wasteful number, since it uses less digits than its factorization.

8101110260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405055522 (or 405055520 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 8101110260 is about 90006.1678997612. The cubic root of 8101110260 is about 2008.3906046503.

Adding to 8101110260 its reverse (620111018), we get a palindrome (8721221278).

The spelling of 8101110260 in words is "eight billion, one hundred one million, one hundred ten thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 405055513 810111026 1620222052 2025277565 4050555130 8101110260