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1010212110100 = 2252101496920129
BaseRepresentation
bin11101011001101010101…
…01010111111100010100
310120120112102022100222001
432230311111113330110
5113022403300010400
62052030211245044
7132661666153534
oct16546525277424
93516472270861
101010212110100
1135a479444406
12143951ba9784
1374354bc043b
1436c748214c4
151b428071a6a
hexeb35557f14

1010212110100 has 72 divisors (see below), whose sum is σ = 2214420377400. Its totient is φ = 399983616000.

The previous prime is 1010212110097. The next prime is 1010212110211. The reversal of 1010212110100 is 10112120101.

It can be written as a sum of positive squares in 12 ways, for example, as 29450678544 + 980761431556 = 171612^2 + 990334^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50176836 + ... + 50196964.

It is an arithmetic number, because the mean of its divisors is an integer number (30755838575).

Almost surely, 21010212110100 is an apocalyptic number.

1010212110100 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 1010212110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107210188700).

1010212110100 is an abundant number, since it is smaller than the sum of its proper divisors (1204208267300).

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

1010212110100 is a wasteful number, since it uses less digits than its factorization.

1010212110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25213 (or 25206 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1010212110100 its reverse (10112120101), we get a palindrome (1020324230201).

The spelling of 1010212110100 in words is "one trillion, ten billion, two hundred twelve million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 4969 5050 9938 10100 19876 20129 24845 40258 49690 80516 99380 100645 124225 201290 248450 402580 496900 501869 503225 1003738 1006450 2007476 2012900 2033029 2509345 4066058 5018690 8132116 10037380 10165145 12546725 20330290 25093450 40660580 50186900 50825725 100021001 101651450 200042002 203302900 400084004 500105005 1000210010 2000420020 2500525025 5001050050 10002100100 10102121101 20204242202 40408484404 50510605505 101021211010 202042422020 252553027525 505106055050 1010212110100