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20604037310653 = 59349220971367
BaseRepresentation
bin1001010111101010000000…
…10100110010100010111101
32200221201121210020012012011
410223311000110302202331
510200034032022420103
6111453210350011221
74224410152320616
oct453650024624275
980851553205164
1020604037310653
116624139a08905
12238924a4a6b11
13b65c4c4c7354
145133527a8c0d
1525ae59398d6d
hex12bd405328bd

20604037310653 has 4 divisors (see below), whose sum is σ = 20953258282080. Its totient is φ = 20254816339228.

The previous prime is 20604037310603. The next prime is 20604037310663. The reversal of 20604037310653 is 35601373040602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20604037310653 - 217 = 20604037179581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604037310603) 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, 174610485625 + ... + 174610485742.

It is an arithmetic number, because the mean of its divisors is an integer number (5238314570520).

Almost surely, 220604037310653 is an apocalyptic number.

It is an amenable number.

20604037310653 is a deficient number, since it is larger than the sum of its proper divisors (349220971427).

20604037310653 is an equidigital number, since it uses as much as digits as its factorization.

20604037310653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349220971426.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 20604037310653 in words is "twenty trillion, six hundred four billion, thirty-seven million, three hundred ten thousand, six hundred fifty-three".

Divisors: 1 59 349220971367 20604037310653