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20301021101123 = 715173191138593
BaseRepresentation
bin1001001110110101100110…
…01001101011110001000011
32122212202111001202211210222
410213122303021223301003
510130102442400213443
6111102054345013255
74163462141121410
oct447326311536103
978782431684728
1020301021101123
11651768418a764
12233a582a8422b
13b434bb82a199
14502808c41107
15253121ee3468
hex1276b326bc43

20301021101123 has 8 divisors (see below), whose sum is σ = 23202696202848. Its totient is φ = 17399728306944.

The previous prime is 20301021101117. The next prime is 20301021101159. The reversal of 20301021101123 is 32110112010302.

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 20301021101123 - 216 = 20301021035587 is a prime.

It is a super-2 number, since 2×203010211011232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301021101173) 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 7 ways as a sum of consecutive naturals, for example, 95463086 + ... + 95675507.

It is an arithmetic number, because the mean of its divisors is an integer number (2900337025356).

Almost surely, 220301021101123 is an apocalyptic number.

20301021101123 is a deficient number, since it is larger than the sum of its proper divisors (2901675101725).

20301021101123 is a wasteful number, since it uses less digits than its factorization.

20301021101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191153773.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20301021101123 its reverse (32110112010302), we get a palindrome (52411133111425).

The spelling of 20301021101123 in words is "twenty trillion, three hundred one billion, twenty-one million, one hundred one thousand, one hundred twenty-three".

Divisors: 1 7 15173 106211 191138593 1337970151 2900145871589 20301021101123