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20262152747351 = 79256482946169
BaseRepresentation
bin1001001101101101001100…
…11010101011100101010111
32122202001011021002220002202
410212312212122223211113
510123433342100403401
6111032145433155115
74160615014426634
oct446664632534527
978661137086082
1020262152747351
116502148aa1239
122332b35b5ba9b
13b3c936058998
1450099ca8d18b
152520e9a4406b
hex126da66ab957

20262152747351 has 4 divisors (see below), whose sum is σ = 20518635693600. Its totient is φ = 20005669801104.

The previous prime is 20262152747311. The next prime is 20262152747371. The reversal of 20262152747351 is 15374725126202.

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 20262152747351 - 242 = 15864106236247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20262152747296 and 20262152747305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20262152747311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128241473006 + ... + 128241473163.

It is an arithmetic number, because the mean of its divisors is an integer number (5129658923400).

Almost surely, 220262152747351 is an apocalyptic number.

20262152747351 is a deficient number, since it is larger than the sum of its proper divisors (256482946249).

20262152747351 is an equidigital number, since it uses as much as digits as its factorization.

20262152747351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256482946248.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 20262152747351 in words is "twenty trillion, two hundred sixty-two billion, one hundred fifty-two million, seven hundred forty-seven thousand, three hundred fifty-one".

Divisors: 1 79 256482946169 20262152747351