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20245415132 = 2271193369361
BaseRepresentation
bin10010110110101110…
…001000010011011100
31221020221022122112002
4102312232020103130
5312430311241012
613144533301432
71314462121625
oct226656102334
957227278462
1020245415132
11864a011048
123b10194878
131ba84a34a7
14da0b2aa4c
157d75967c2
hex4b6b884dc

20245415132 has 24 divisors (see below), whose sum is σ = 36114738912. Its totient is φ = 9928396800.

The previous prime is 20245415129. The next prime is 20245415149. The reversal of 20245415132 is 23151454202.

It is a super-3 number, since 3×202454151323 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20245415095 and 20245415104.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129869 + ... + 239492.

It is an arithmetic number, because the mean of its divisors is an integer number (1504780788).

Almost surely, 220245415132 is an apocalyptic number.

It is an amenable number.

20245415132 is a deficient number, since it is larger than the sum of its proper divisors (15869323780).

20245415132 is a wasteful number, since it uses less digits than its factorization.

20245415132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369629 (or 369627 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 20245415132 its reverse (23151454202), we get a palindrome (43396869334).

The spelling of 20245415132 in words is "twenty billion, two hundred forty-five million, four hundred fifteen thousand, one hundred thirty-two".

Divisors: 1 2 4 71 142 193 284 386 772 13703 27406 54812 369361 738722 1477444 26224631 52449262 71286673 104898524 142573346 285146692 5061353783 10122707566 20245415132