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2061131538053 = 71938531788551
BaseRepresentation
bin11101111111100101000…
…000110101111010000101
321022001010210121202010002
4131333211000311322011
5232232144133204203
64214512030011045
7301624522001360
oct35774500657205
97261123552102
102061131538053
11725137024165
12293564946a85
1311c4965652b3
1471a8b7310d7
1538934c45d88
hex1dfe5035e85

2061131538053 has 16 divisors (see below), whose sum is σ = 2370561129216. Its totient is φ = 1755468979200.

The previous prime is 2061131538047. The next prime is 2061131538163. The reversal of 2061131538053 is 3508351311602.

It is a cyclic number.

It is not a de Polignac number, because 2061131538053 - 232 = 2056836570757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061131537998 and 2061131538016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061131538553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258128 + ... + 2046678.

It is an arithmetic number, because the mean of its divisors is an integer number (148160070576).

Almost surely, 22061131538053 is an apocalyptic number.

It is an amenable number.

2061131538053 is a deficient number, since it is larger than the sum of its proper divisors (309429591163).

2061131538053 is a wasteful number, since it uses less digits than its factorization.

2061131538053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789604.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 2061131538053 its reverse (3508351311602), we get a palindrome (5569482849655).

The spelling of 2061131538053 in words is "two trillion, sixty-one billion, one hundred thirty-one million, five hundred thirty-eight thousand, fifty-three".

Divisors: 1 7 193 853 1351 5971 164629 1152403 1788551 12519857 345190343 1525634003 2416332401 10679438021 294447362579 2061131538053