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113023202021 = 677972116579
BaseRepresentation
bin110100101000010110…
…1010011001011100101
3101210201210002112220022
41221100231103023211
53322432414431041
6123531103244525
711110551236342
oct1512055231345
9353653075808
10113023202021
1143a29718584
1219aa32a9745
13a872946142
1456829097c9
152e1772124b
hex1a50b532e5

113023202021 has 8 divisors (see below), whose sum is σ = 114854097120. Its totient is φ = 111196541808.

The previous prime is 113023201981. The next prime is 113023202041. The reversal of 113023202021 is 120202320311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113023202021 - 214 = 113023185637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113023202041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004891 + ... + 1111688.

It is an arithmetic number, because the mean of its divisors is an integer number (14356762140).

Almost surely, 2113023202021 is an apocalyptic number.

It is an amenable number.

113023202021 is a deficient number, since it is larger than the sum of its proper divisors (1830895099).

113023202021 is an equidigital number, since it uses as much as digits as its factorization.

113023202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117443.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 113023202021 its reverse (120202320311), we get a palindrome (233225522332).

The spelling of 113023202021 in words is "one hundred thirteen billion, twenty-three million, two hundred two thousand, twenty-one".

Divisors: 1 67 797 53399 2116579 141810793 1686913463 113023202021