Search a number
BaseRepresentation
bin100110100010…
…000100001000
3201000011222010
4212202010020
510041213000
61000255520
7151566660
oct46420410
921004863
1010101000
11577a038
1234715a0
132128830
15d47d50
hex9a2108

10101000 has 256 divisors, whose sum is σ = 39836160. Its totient is φ = 2073600.

The previous prime is 10100999. The next prime is 10101023. The reversal of 10101000 is 10101.

Adding to 10101000 its reverse (10101), we get a palindrome (10111101).

10101000 divided by its reverse (10101) gives a cube (1000 = 103).

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272982 + ... + 273018.

It is an arithmetic number, because the mean of its divisors is an integer number (155610).

Almost surely, 210101000 is an apocalyptic number.

10101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19918080).

10101000 is an abundant number, since it is smaller than the sum of its proper divisors (29735160).

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

10101000 is a wasteful number, since it uses less digits than its factorization.

10101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 3.

The square root of 10101000 is about 3178.2070417139. The cubic root of 10101000 is about 216.1663670272.

The spelling of 10101000 in words is "ten million, one hundred one thousand".