Search a number
-
+
1011010100 = 225215116691
BaseRepresentation
bin111100010000101…
…100101000110100
32121110101122010112
4330100230220310
54032304310400
6244153242152
734024305212
oct7420545064
92543348115
101011010100
11479763941
12242703358
131315c3739
14983b5cb2
155db58835
hex3c42ca34

1011010100 has 36 divisors (see below), whose sum is σ = 2195671968. Its totient is φ = 404076000.

The previous prime is 1011010031. The next prime is 1011010123. The reversal of 1011010100 is 10101101.

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

It is a congruent number.

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, 147755 + ... + 154445.

It is an arithmetic number, because the mean of its divisors is an integer number (60990888).

Almost surely, 21011010100 is an apocalyptic number.

1011010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011010100 is an abundant number, since it is smaller than the sum of its proper divisors (1184661868).

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

1011010100 is a wasteful number, since it uses less digits than its factorization.

1011010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216 (or 8209 counting only the distinct ones).

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

The square root of 1011010100 is about 31796.3850146522. The cubic root of 1011010100 is about 1003.6566459758.

Adding to 1011010100 its reverse (10101101), we get a palindrome (1021111201).

The spelling of 1011010100 in words is "one billion, eleven million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1511 3022 6044 6691 7555 13382 15110 26764 30220 33455 37775 66910 75550 133820 151100 167275 334550 669100 10110101 20220202 40440404 50550505 101101010 202202020 252752525 505505050 1011010100