Search a number
-
+
1200007750101 = 31996732986721
BaseRepresentation
bin10001011101100110000…
…010010010000111010101
311020201102121021212010020
4101131212002102013111
5124130103441000401
62315135334415353
7152461211402046
oct21354602220725
94221377255106
101200007750101
11422a140aa936
121746a0201559
138921109c474
144211b5848cd
152133571bd36
hex117660921d5

1200007750101 has 16 divisors (see below), whose sum is σ = 1610440502400. Its totient is φ = 794802032640.

The previous prime is 1200007750063. The next prime is 1200007750129. The reversal of 1200007750101 is 1010577000021.

It is a happy number.

It is not a de Polignac number, because 1200007750101 - 221 = 1200005652949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200007750801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091580 + ... + 1895141.

It is an arithmetic number, because the mean of its divisors is an integer number (100652531400).

Almost surely, 21200007750101 is an apocalyptic number.

It is an amenable number.

1200007750101 is a deficient number, since it is larger than the sum of its proper divisors (410432752299).

1200007750101 is a wasteful number, since it uses less digits than its factorization.

1200007750101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987596.

The product of its (nonzero) digits is 490, while the sum is 24.

The spelling of 1200007750101 in words is "one trillion, two hundred billion, seven million, seven hundred fifty thousand, one hundred one".

Divisors: 1 3 199 597 673 2019 133927 401781 2986721 8960163 594357479 1783072437 2010063233 6030189699 400002583367 1200007750101