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20300120151023 = 70928632045347
BaseRepresentation
bin1001001110110011111010…
…11100110101001111101111
32122212200011021110211121202
410213121331130311033233
510130044121224313043
6111101425122320115
74163430621144626
oct447317534651757
978780137424552
1020300120151023
1165172616695a9
12233a3711b903b
13b433a6c9020b
145027613186bd
152530bcd7a1b8
hex12767d7353ef

20300120151023 has 4 divisors (see below), whose sum is σ = 20328752197080. Its totient is φ = 20271488104968.

The previous prime is 20300120150993. The next prime is 20300120151043. The reversal of 20300120151023 is 32015102100302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20300120151023 - 210 = 20300120149999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20300120150986 and 20300120151004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300120151043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14316021965 + ... + 14316023382.

It is an arithmetic number, because the mean of its divisors is an integer number (5082188049270).

Almost surely, 220300120151023 is an apocalyptic number.

20300120151023 is a deficient number, since it is larger than the sum of its proper divisors (28632046057).

20300120151023 is an equidigital number, since it uses as much as digits as its factorization.

20300120151023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632046056.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20300120151023 its reverse (32015102100302), we get a palindrome (52315222251325).

The spelling of 20300120151023 in words is "twenty trillion, three hundred billion, one hundred twenty million, one hundred fifty-one thousand, twenty-three".

Divisors: 1 709 28632045347 20300120151023