Search a number
-
+
1202040243201 = 37280572040133
BaseRepresentation
bin10001011111011111001…
…011101000010000000001
311020220200020210012111110
4101133133023220100001
5124143234300240301
62320113142033533
7152562451324650
oct21373713502001
94226606705443
101202040243201
1142386741aaa6
12174b68a188a9
13894761b24c5
144227149b197
1521403d9c0d6
hex117df2e8401

1202040243201 has 16 divisors (see below), whose sum is σ = 1831746552704. Its totient is φ = 686855320704.

The previous prime is 1202040243197. The next prime is 1202040243343. The reversal of 1202040243201 is 1023420402021.

It is not a de Polignac number, because 1202040243201 - 22 = 1202040243197 is a prime.

It is a super-3 number, since 3×12020402432013 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202040743201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430870 + ... + 1609263.

It is an arithmetic number, because the mean of its divisors is an integer number (114484159544).

Almost surely, 21202040243201 is an apocalyptic number.

It is an amenable number.

1202040243201 is a deficient number, since it is larger than the sum of its proper divisors (629706309503).

1202040243201 is a wasteful number, since it uses less digits than its factorization.

1202040243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068200.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1202040243201 its reverse (1023420402021), we get a palindrome (2225460645222).

The spelling of 1202040243201 in words is "one trillion, two hundred two billion, forty million, two hundred forty-three thousand, two hundred one".

Divisors: 1 3 7 21 28057 84171 196399 589197 2040133 6120399 14280931 42842793 57240011581 171720034743 400680081067 1202040243201