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13654480671 = 3213116704963
BaseRepresentation
bin11001011011101111…
…01101011100011111
31022020121022111011100
430231313231130133
5210431021340141
610134530524143
7662241112356
oct145567553437
938217274140
1013654480671
115877664477
122790a36653
131397b64280
1493765499d
1554db320b6
hex32dded71f

13654480671 has 12 divisors (see below), whose sum is σ = 21240303448. Its totient is φ = 8402757264.

The previous prime is 13654480667. The next prime is 13654480691. The reversal of 13654480671 is 17608445631.

13654480671 is a `hidden beast` number, since 1 + 36 + 544 + 8 + 0 + 6 + 71 = 666.

It is not a de Polignac number, because 13654480671 - 22 = 13654480667 is a prime.

It is a super-2 number, since 2×136544806712 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13654480601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58352365 + ... + 58352598.

Almost surely, 213654480671 is an apocalyptic number.

13654480671 is a deficient number, since it is larger than the sum of its proper divisors (7585822777).

13654480671 is a wasteful number, since it uses less digits than its factorization.

13654480671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116704982 (or 116704979 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 13654480671 in words is "thirteen billion, six hundred fifty-four million, four hundred eighty thousand, six hundred seventy-one".

Divisors: 1 3 9 13 39 117 116704963 350114889 1050344667 1517164519 4551493557 13654480671