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101010212110100 = 22521601630919501
BaseRepresentation
bin10110111101111001000101…
…110011111011111100010100
3111020122111000100121220020202
4112331321011303323330110
5101214422403300010400
6554455241214120032
730163514135326106
oct2675710563737424
9436574010556222
10101010212110100
112a204210450587
12b3b45577b0018
1344492b7036387
141ad2cc5633576
15ba27928414d5
hex5bde45cfbf14

101010212110100 has 36 divisors (see below), whose sum is σ = 219329070158268. Its totient is φ = 40378848000000.

The previous prime is 101010212110063. The next prime is 101010212110103. The reversal of 101010212110100 is 1011212010101.

It can be written as a sum of positive squares in 6 ways, for example, as 4899874436356 + 96110337673744 = 2213566^2 + 9803588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010212110103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315299651 + ... + 315619850.

It is an arithmetic number, because the mean of its divisors is an integer number (6092474171063).

Almost surely, 2101010212110100 is an apocalyptic number.

101010212110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101010212110100 is an abundant number, since it is smaller than the sum of its proper divisors (118318858048168).

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

101010212110100 is a wasteful number, since it uses less digits than its factorization.

101010212110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630921116 (or 630921109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101010212110100 its reverse (1011212010101), we get a palindrome (102021424120201).

Subtracting from 101010212110100 its reverse (1011212010101), we obtain a palindrome (99999000099999).

The spelling of 101010212110100 in words is "one hundred one trillion, ten billion, two hundred twelve million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1601 3202 6404 8005 16010 32020 40025 80050 160100 630919501 1261839002 2523678004 3154597505 6309195010 12618390020 15772987525 31545975050 63091950100 1010102121101 2020204242202 4040408484404 5050510605505 10101021211010 20202042422020 25252553027525 50505106055050 101010212110100