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21020201000113 = 719158046624061
BaseRepresentation
bin1001100011110001001011…
…00111010001110010110001
32202102111210221122001201011
410301320211213101302301
510223343332424000423
6112412314054110521
74266442114315660
oct461704547216261
982374727561634
1021020201000113
116774687518347
122435a3294b441
13b962727a1783
1452955154cdd7
15266bb4d1db0d
hex131e259d1cb1

21020201000113 has 8 divisors (see below), whose sum is σ = 25287459849920. Its totient is φ = 17069035398480.

The previous prime is 21020201000077. The next prime is 21020201000129. The reversal of 21020201000113 is 31100010202012.

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 21020201000113 - 225 = 21020167445681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21020201000093 and 21020201000102.

It is not an unprimeable number, because it can be changed into a prime (21020201009113) 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, 79023311898 + ... + 79023312163.

It is an arithmetic number, because the mean of its divisors is an integer number (3160932481240).

Almost surely, 221020201000113 is an apocalyptic number.

It is an amenable number.

21020201000113 is a deficient number, since it is larger than the sum of its proper divisors (4267258849807).

21020201000113 is a wasteful number, since it uses less digits than its factorization.

21020201000113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158046624087.

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

Adding to 21020201000113 its reverse (31100010202012), we get a palindrome (52120211202125).

The spelling of 21020201000113 in words is "twenty-one trillion, twenty billion, two hundred one million, one hundred thirteen", and thus it is an aban number.

Divisors: 1 7 19 133 158046624061 1106326368427 3002885857159 21020201000113