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13645164461 = 171261963607
BaseRepresentation
bin11001011010101000…
…01010111110101101
31022012221210011201112
430231110022332231
5210421130230321
610133555121405
7662065661405
oct145524127655
938187704645
1013645164461
115872381025
1227898a3265
131395c51a16
1493630b805
1554cde1a5b
hex32d50afad

13645164461 has 8 divisors (see below), whose sum is σ = 14449193280. Its totient is φ = 12841288128.

The previous prime is 13645164433. The next prime is 13645164487. The reversal of 13645164461 is 16446154631.

It is a happy number.

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 13645164461 - 26 = 13645164397 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 (13645163461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182720 + ... + 246326.

It is an arithmetic number, because the mean of its divisors is an integer number (1806149160).

Almost surely, 213645164461 is an apocalyptic number.

It is an amenable number.

13645164461 is a deficient number, since it is larger than the sum of its proper divisors (804028819).

13645164461 is a wasteful number, since it uses less digits than its factorization.

13645164461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76243.

The product of its digits is 207360, while the sum is 41.

The spelling of 13645164461 in words is "thirteen billion, six hundred forty-five million, one hundred sixty-four thousand, four hundred sixty-one".

Divisors: 1 17 12619 63607 214523 1081319 802656733 13645164461