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13061479474 = 217384161161
BaseRepresentation
bin11000010101000011…
…00101110000110010
31020201021110220110001
430022201211300302
5203222214320344
610000024500214
7641450513041
oct141241456062
936637426401
1013061479474
1155a295693a
12264631a66a
1313020491a4
148bc9b0558
15516a47ed4
hex30a865c32

13061479474 has 8 divisors (see below), whose sum is σ = 20744702748. Its totient is φ = 6146578560.

The previous prime is 13061479471. The next prime is 13061479481. The reversal of 13061479474 is 47497416031.

It can be written as a sum of positive squares in 2 ways, for example, as 9861880249 + 3199599225 = 99307^2 + 56565^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13061479471) 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, 192080547 + ... + 192080614.

Almost surely, 213061479474 is an apocalyptic number.

13061479474 is a deficient number, since it is larger than the sum of its proper divisors (7683223274).

13061479474 is a wasteful number, since it uses less digits than its factorization.

13061479474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384161180.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 13061479474 in words is "thirteen billion, sixty-one million, four hundred seventy-nine thousand, four hundred seventy-four".

Divisors: 1 2 17 34 384161161 768322322 6530739737 13061479474