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23203202012113 = 412931931507701
BaseRepresentation
bin1010100011010011010101…
…00111010001001111010001
310001011012112001011112110111
411101221222213101033101
511020130124203341423
6121203223122001321
74613242655623204
oct521515247211721
9101135461145414
1023203202012113
1174364716a2012
122728b294a6241
13cc408b627416
145a30805c593b
152a387dbe860d
hex151a6a9d13d1

23203202012113 has 8 divisors (see below), whose sum is σ = 23850257104296. Its totient is φ = 22560009936000.

The previous prime is 23203202012083. The next prime is 23203202012141. The reversal of 23203202012113 is 31121020230232.

It can be written as a sum of positive squares in 4 ways, for example, as 8008860380049 + 15194341632064 = 2829993^2 + 3897992^2 .

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 23203202012113 - 213 = 23203202003921 is a prime.

It is a super-2 number, since 2×232032020121132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23203202012143) 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, 965741838 + ... + 965765863.

It is an arithmetic number, because the mean of its divisors is an integer number (2981282138037).

Almost surely, 223203202012113 is an apocalyptic number.

It is an amenable number.

23203202012113 is a deficient number, since it is larger than the sum of its proper divisors (647055092183).

23203202012113 is a wasteful number, since it uses less digits than its factorization.

23203202012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931508035.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23203202012113 its reverse (31121020230232), we get a palindrome (54324222242345).

The spelling of 23203202012113 in words is "twenty-three trillion, two hundred three billion, two hundred two million, twelve thousand, one hundred thirteen".

Divisors: 1 41 293 12013 1931507701 79191815741 565931756393 23203202012113