Search a number
-
+
1020231330201 = 3431619656389
BaseRepresentation
bin11101101100010101000…
…01101010100110011001
310121112101200020111010000
432312022201222212121
5113203413210031301
62100404322043213
7133465166136006
oct16661241524631
93545350214100
101020231330201
1136374aa967a6
121458894a9509
137529087a045
14375453488ad
151b812979786
hexed8a86a999

1020231330201 has 40 divisors (see below), whose sum is σ = 1575756089600. Its totient is φ = 657149410080.

The previous prime is 1020231330193. The next prime is 1020231330289. The reversal of 1020231330201 is 1020331320201.

1020231330201 is a `hidden beast` number, since 102 + 0 + 2 + 31 + 330 + 201 = 666.

1020231330201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020231330201 - 23 = 1020231330193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020231337201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1226115 + ... + 1882503.

It is an arithmetic number, because the mean of its divisors is an integer number (39393902240).

Almost surely, 21020231330201 is an apocalyptic number.

It is an amenable number.

1020231330201 is a deficient number, since it is larger than the sum of its proper divisors (555524759399).

1020231330201 is an equidigital number, since it uses as much as digits as its factorization.

1020231330201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657051 (or 657042 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020231330201 its reverse (1020331320201), we get a palindrome (2040562650402).

The spelling of 1020231330201 in words is "one trillion, twenty billion, two hundred thirty-one million, three hundred thirty thousand, two hundred one".

Divisors: 1 3 9 27 31 81 93 279 619 837 1857 2511 5571 16713 19189 50139 57567 172701 518103 656389 1554309 1969167 5907501 17722503 20348059 53167509 61044177 183132531 406304791 549397593 1218914373 1648192779 3656743119 10970229357 12595448521 32910688071 37786345563 113359036689 340077110067 1020231330201