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1010025101 = 6771491913
BaseRepresentation
bin111100001100111…
…100001010001101
32121101112120222002
4330030330022031
54032031300401
6244120202045
734013033411
oct7414741215
92541476862
101010025101
11479150898
12242309325
1313133a2b7
14981dad41
155da11a6b
hex3c33c28d

1010025101 has 4 divisors (see below), whose sum is σ = 1011517692. Its totient is φ = 1008532512.

The previous prime is 1010025089. The next prime is 1010025103. The reversal of 1010025101 is 1015200101.

1010025101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 934769476 + 75255625 = 30574^2 + 8675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010025101 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 (1010025103) 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, 745280 + ... + 746633.

It is an arithmetic number, because the mean of its divisors is an integer number (252879423).

Almost surely, 21010025101 is an apocalyptic number.

It is an amenable number.

1010025101 is a deficient number, since it is larger than the sum of its proper divisors (1492591).

1010025101 is an equidigital number, since it uses as much as digits as its factorization.

1010025101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492590.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1010025101 is about 31780.8920736974. The cubic root of 1010025101 is about 1003.3305951540.

Adding to 1010025101 its reverse (1015200101), we get a palindrome (2025225202).

The spelling of 1010025101 in words is "one billion, ten million, twenty-five thousand, one hundred one".

Divisors: 1 677 1491913 1010025101