Search a number
-
+
10101000100 = 2252311324791
BaseRepresentation
bin10010110100001000…
…10000011110100100
3222001221210222012211
421122010100132210
5131141324000400
64350151253204
7505212040612
oct113204203644
928057728184
1010101000100
114313829974
121b5a97a204
13c4c8c1249
146bb7346b2
153e1baddba
hex25a1107a4

10101000100 has 36 divisors (see below), whose sum is σ = 21989717568. Its totient is φ = 4027396000.

The previous prime is 10101000059. The next prime is 10101000127. The reversal of 10101000100 is 100010101.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 10101000100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131296 + ... + 193495.

It is an arithmetic number, because the mean of its divisors is an integer number (610825488).

Almost surely, 210101000100 is an apocalyptic number.

10101000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101000100 is an abundant number, since it is smaller than the sum of its proper divisors (11888717468).

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

10101000100 is a wasteful number, since it uses less digits than its factorization.

10101000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325116 (or 325109 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 10101000100 its reverse (100010101), we get a palindrome (10201010201).

The spelling of 10101000100 in words is "ten billion, one hundred one million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 311 622 1244 1555 3110 6220 7775 15550 31100 324791 649582 1299164 1623955 3247910 6495820 8119775 16239550 32479100 101010001 202020002 404040004 505050005 1010100010 2020200020 2525250025 5050500050 10101000100