Search a number
-
+
10101100010 = 251010110001
BaseRepresentation
bin10010110100001001…
…01000110111101010
3222001222000001021012
421122010220313222
5131141340200020
64350153343522
7505212635111
oct113204506752
928058001235
1010101100010
114313897a41
121b5aa07ba2
13c4c927871
146bb75cc78
153e1bcd7c5
hex25a128dea

10101100010 has 8 divisors (see below), whose sum is σ = 18181980036. Its totient is φ = 4040440000.

The previous prime is 10101099989. The next prime is 10101100019. The reversal of 10101100010 is 1000110101.

It can be written as a sum of positive squares in 2 ways, for example, as 8868177241 + 1232922769 = 94171^2 + 35113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 10101099967 and 10101100003.

It is not an unprimeable number, because it can be changed into a prime (10101100019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505054991 + ... + 505055010.

Almost surely, 210101100010 is an apocalyptic number.

10101100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101100010 is a deficient number, since it is larger than the sum of its proper divisors (8080880026).

10101100010 is a wasteful number, since it uses less digits than its factorization.

10101100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010110008.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10101100010 its reverse (1000110101), we get a palindrome (11101210111).

The spelling of 10101100010 in words is "ten billion, one hundred one million, one hundred thousand, ten".

Divisors: 1 2 5 10 1010110001 2020220002 5050550005 10101100010