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20242926925 = 5213411519169
BaseRepresentation
bin10010110110100100…
…101000110101001101
31221020202122020100021
4102312210220311031
5312424142130200
613144404102141
71314432016444
oct226644506515
957222566307
1020242926925
118648671681
123b0b394951
131ba7b11a90
14da067dd5b
157d725441a
hex4b6928d4d

20242926925 has 24 divisors (see below), whose sum is σ = 27691430760. Its totient is φ = 14584012800.

The previous prime is 20242926923. The next prime is 20242926941. The reversal of 20242926925 is 52962924202.

It can be written as a sum of positive squares in 12 ways, for example, as 19622966724 + 619960201 = 140082^2 + 24899^2 .

It is not a de Polignac number, because 20242926925 - 21 = 20242926923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242926923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746260 + ... + 772909.

It is an arithmetic number, because the mean of its divisors is an integer number (1153809615).

Almost surely, 220242926925 is an apocalyptic number.

20242926925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20242926925 is a deficient number, since it is larger than the sum of its proper divisors (7448503835).

20242926925 is a wasteful number, since it uses less digits than its factorization.

20242926925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519233 (or 1519228 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 20242926925 in words is "twenty billion, two hundred forty-two million, nine hundred twenty-six thousand, nine hundred twenty-five".

Divisors: 1 5 13 25 41 65 205 325 533 1025 2665 13325 1519169 7595845 19749197 37979225 62285929 98745985 311429645 493729925 809717077 1557148225 4048585385 20242926925