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13745471906 = 210916299483
BaseRepresentation
bin11001100110100101…
…10100000110100010
31022110221112022200002
430303102310012202
5211122320100111
610151541100002
7664424404055
oct146322640642
938427468602
1013745471906
115913a62541
1227b73b7602
1313b097243a
1494577ca9c
15556b0763b
hex3334b41a2

13745471906 has 8 divisors (see below), whose sum is σ = 20637109584. Its totient is φ = 6866435380.

The previous prime is 13745471897. The next prime is 13745471947. The reversal of 13745471906 is 60917454731.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147560 + ... + 3151923.

It is an arithmetic number, because the mean of its divisors is an integer number (2579638698).

Almost surely, 213745471906 is an apocalyptic number.

13745471906 is a deficient number, since it is larger than the sum of its proper divisors (6891637678).

13745471906 is a wasteful number, since it uses less digits than its factorization.

13745471906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300576.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 13745471906 in words is "thirteen billion, seven hundred forty-five million, four hundred seventy-one thousand, nine hundred six".

Divisors: 1 2 1091 2182 6299483 12598966 6872735953 13745471906