Search a number
-
+
1010101010100 = 22352713371019901
BaseRepresentation
bin11101011001011101011…
…01100011111010110100
310120120020200020220102020
432230232231203322310
5113022141324310400
62052011202113140
7132656146631040
oct16545655437264
93516220226366
101010101010100
1135a421761326
1214392094b7b0
1374337b914b0
1436c63b81020
151b41d4282a0
hexeb2eb63eb4

1010101010100 has 576 divisors, whose sum is σ = 3731164856832. Its totient is φ = 205286400000.

The previous prime is 1010101010071. The next prime is 1010101010111. The reversal of 1010101010100 is 10101010101.

It is a Harshad number since it is a multiple of its sum of digits (6).

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 polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 102015150 + ... + 102025050.

Almost surely, 21010101010100 is an apocalyptic number.

1010101010100 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 1010101010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865582428416).

1010101010100 is an abundant number, since it is smaller than the sum of its proper divisors (2721063846732).

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

1010101010100 is a wasteful number, since it uses less digits than its factorization.

1010101010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076 (or 10069 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1010101010100 its reverse (10101010101), we get a palindrome (1020202020201).

Subtracting from 1010101010100 its reverse (10101010101), we obtain a palindrome (999999999999).

1010101010100 divided by its reverse (10101010101) gives a square (100 = 102).

The spelling of 1010101010100 in words is "one trillion, ten billion, one hundred one million, ten thousand, one hundred".