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101000010100 = 225211101909091
BaseRepresentation
bin101111000010000010…
…0011101100101110100
3100122200212100010012211
41132010010131211310
53123322000310400
6114222044423204
710203605630563
oct1360404354564
9318625303184
10101000010100
1139919966530
12176a8847b04
1396a7a513b2
144c61bb1bda
152961e1ddba
hex178411d974

101000010100 has 72 divisors (see below), whose sum is σ = 241462107936. Its totient is φ = 36363600000.

The previous prime is 101000010047. The next prime is 101000010187. The reversal of 101000010100 is 1010000101.

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 101000010100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343446 + ... + 565645.

It is an arithmetic number, because the mean of its divisors is an integer number (3353640388).

Almost surely, 2101000010100 is an apocalyptic number.

101000010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000010100 is an abundant number, since it is smaller than the sum of its proper divisors (140462097836).

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

101000010100 is a wasteful number, since it uses less digits than its factorization.

101000010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909217 (or 909210 counting only the distinct ones).

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

Adding to 101000010100 its reverse (1010000101), we get a palindrome (102010010201).

Subtracting from 101000010100 its reverse (1010000101), we obtain a palindrome (99990009999).

101000010100 divided by its reverse (1010000101) gives a square (100 = 102).

It can be divided in two parts, 1010000 and 10100, that multiplied together give a square (10201000000 = 1010002).

The spelling of 101000010100 in words is "one hundred one billion, ten thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 10100 11110 22220 27775 55550 111100 909091 1818182 3636364 4545455 9090910 10000001 18181820 20000002 22727275 40000004 45454550 50000005 90909100 91818191 100000010 183636382 200000020 250000025 367272764 459090955 500000050 918181910 1000000100 1010000101 1836363820 2020000202 2295454775 4040000404 4590909550 5050000505 9181819100 10100001010 20200002020 25250002525 50500005050 101000010100