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10102012020101 = 197157613253553
BaseRepresentation
bin1001001100000000111011…
…0101101000010110000101
31022202202001120211210210002
42103000032311220112011
52311002410034120401
633252444504411045
72061563163246521
oct223001665502605
938682046753702
1010102012020101
11324526a476651
121171a07476a85
135838007604b1
1426cd23496d81
15127b9ab16a6b
hex9300ed68585

10102012020101 has 8 divisors (see below), whose sum is σ = 10153938593304. Its totient is φ = 10050091985920.

The previous prime is 10102012020053. The next prime is 10102012020103. The reversal of 10102012020101 is 10102021020101.

It can be written as a sum of positive squares in 4 ways, for example, as 7035485697601 + 3066526322500 = 2652449^2 + 1751150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-10102012020101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102012020103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478141 + ... + 4731693.

It is an arithmetic number, because the mean of its divisors is an integer number (1269242324163).

Almost surely, 210102012020101 is an apocalyptic number.

It is an amenable number.

10102012020101 is a deficient number, since it is larger than the sum of its proper divisors (51926573203).

10102012020101 is a wasteful number, since it uses less digits than its factorization.

10102012020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269511.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10102012020101 its reverse (10102021020101), we get a palindrome (20204033040202).

Subtracting 10102012020101 from its reverse (10102021020101), we obtain a square (9000000 = 30002).

The spelling of 10102012020101 in words is "ten trillion, one hundred two billion, twelve million, twenty thousand, one hundred one".

Divisors: 1 197 15761 3104917 3253553 640949941 51279248833 10102012020101