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20201100023101 = 2941239647109873
BaseRepresentation
bin1001001011111011011110…
…11001000001010100111101
32122112012120101122011011111
410211331233121001110331
510121433323101214401
6110544131321322021
74153324043016214
oct445755731012475
978465511564144
1020201100023101
116489269359938
122323137636311
13b36c5649124a
144dba4a48607b
15250724b97e51
hex125f6f64153d

20201100023101 has 32 divisors (see below), whose sum is σ = 21530381644800. Its totient is φ = 18919712286720.

The previous prime is 20201100023081. The next prime is 20201100023107. The reversal of 20201100023101 is 10132000110202.

It is a cyclic number.

It is not a de Polignac number, because 20201100023101 - 219 = 20201099498813 is a prime.

It is a super-5 number, since 5×202011000231015 (a number of 68 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201100023107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183803701 + ... + 183913573.

It is an arithmetic number, because the mean of its divisors is an integer number (672824426400).

Almost surely, 220201100023101 is an apocalyptic number.

It is an amenable number.

20201100023101 is a deficient number, since it is larger than the sum of its proper divisors (1329281621699).

20201100023101 is a wasteful number, since it uses less digits than its factorization.

20201100023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110829.

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

Adding to 20201100023101 its reverse (10132000110202), we get a palindrome (30333100133303).

The spelling of 20201100023101 in words is "twenty trillion, two hundred one billion, one hundred million, twenty-three thousand, one hundred one".

Divisors: 1 29 41 239 647 1189 6931 9799 18763 26527 109873 154633 284171 769283 3186317 4484357 4504793 6339953 26259647 71087831 130638997 183858637 761529763 1076645527 2061547099 2914601071 16989991609 31222720283 84523431059 492709756661 696589655969 20201100023101