Search a number
-
+
10102010120101 = 62291621770769
BaseRepresentation
bin1001001100000000111010…
…1110011000011110100101
31022202202001110021021110201
42103000032232120132211
52311002404042320401
633252444355550501
72061563141144254
oct223001656303645
938682043237421
1010102010120101
1132452693990a9
121171a068bb431
13583800246733
1426cd2312079b
15127b9a88db01
hex9300eb987a5

10102010120101 has 4 divisors (see below), whose sum is σ = 10103631897100. Its totient is φ = 10100388343104.

The previous prime is 10102010120057. The next prime is 10102010120119. The reversal of 10102010120101 is 10102101020101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5959584383076 + 4142425737025 = 2441226^2 + 2035295^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102010120101 - 29 = 10102010119589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102010120161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810879156 + ... + 810891613.

It is an arithmetic number, because the mean of its divisors is an integer number (2525907974275).

Almost surely, 210102010120101 is an apocalyptic number.

It is an amenable number.

10102010120101 is a deficient number, since it is larger than the sum of its proper divisors (1621776999).

10102010120101 is an equidigital number, since it uses as much as digits as its factorization.

10102010120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621776998.

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

Adding to 10102010120101 its reverse (10102101020101), we get a palindrome (20204111140202).

The spelling of 10102010120101 in words is "ten trillion, one hundred two billion, ten million, one hundred twenty thousand, one hundred one".

Divisors: 1 6229 1621770769 10102010120101