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13035146521 = 47534751869
BaseRepresentation
bin11000010001111010…
…01000110100011001
31020122102221001102111
430020331020310121
5203143444142041
65553244232321
7641010626425
oct141075106431
936572831374
1013035146521
11558a000571
12263953b6a1
1312c9759367
148b92b7b85
15514595981
hex308f48d19

13035146521 has 8 divisors (see below), whose sum is σ = 13315236480. Its totient is φ = 12755171088.

The previous prime is 13035146513. The next prime is 13035146543. The reversal of 13035146521 is 12564153031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13035146521 - 23 = 13035146513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13035146581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225375 + ... + 277243.

It is an arithmetic number, because the mean of its divisors is an integer number (1664404560).

Almost surely, 213035146521 is an apocalyptic number.

It is an amenable number.

13035146521 is a deficient number, since it is larger than the sum of its proper divisors (280089959).

13035146521 is an equidigital number, since it uses as much as digits as its factorization.

13035146521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57263.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 13035146521 its reverse (12564153031), we get a palindrome (25599299552).

The spelling of 13035146521 in words is "thirteen billion, thirty-five million, one hundred forty-six thousand, five hundred twenty-one".

Divisors: 1 47 5347 51869 251309 2437843 277343543 13035146521