Search a number
-
+
112020013021 = 7191049802913
BaseRepresentation
bin110100001010011101…
…0011011111111011101
3101201010212102021022011
41220110322123333131
53313404110404041
6123243345351221
711043650254150
oct1502472337735
9351125367264
10112020013021
1143564416864
1219863338511
13a742b60597
1455c95abc97
152da960ee81
hex1a14e9bfdd

112020013021 has 16 divisors (see below), whose sum is σ = 134889552000. Its totient is φ = 90876791808.

The previous prime is 112020013019. The next prime is 112020013033. The reversal of 112020013021 is 120310020211.

It is a cyclic number.

It is not a de Polignac number, because 112020013021 - 21 = 112020013019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112020012992 and 112020013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020014021) 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, 261940 + ... + 540973.

It is an arithmetic number, because the mean of its divisors is an integer number (8430597000).

Almost surely, 2112020013021 is an apocalyptic number.

It is an amenable number.

112020013021 is a deficient number, since it is larger than the sum of its proper divisors (22869538979).

112020013021 is a wasteful number, since it uses less digits than its factorization.

112020013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803988.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 112020013021 its reverse (120310020211), we get a palindrome (232330033232).

The spelling of 112020013021 in words is "one hundred twelve billion, twenty million, thirteen thousand, twenty-one".

Divisors: 1 7 19 133 1049 7343 19931 139517 802913 5620391 15255347 106787429 842255737 5895790159 16002859003 112020013021