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13732740971 = 15718741401
BaseRepresentation
bin11001100101000100…
…01111111101101011
31022110001120112002222
430302202033331223
5211111040202341
610150404144255
7664211241455
oct146242177553
938401515088
1013732740971
115907857604
1227b309808b
1313ab135841
14943bc72d5
1555594044b
hex33288ff6b

13732740971 has 4 divisors (see below), whose sum is σ = 13741483944. Its totient is φ = 13723998000.

The previous prime is 13732740949. The next prime is 13732741019. The reversal of 13732740971 is 17904723731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17904723731 = 171053219043.

It is a cyclic number.

It is not a de Polignac number, because 13732740971 - 210 = 13732739947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13732730971) 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, 4369130 + ... + 4372271.

It is an arithmetic number, because the mean of its divisors is an integer number (3435370986).

Almost surely, 213732740971 is an apocalyptic number.

13732740971 is a deficient number, since it is larger than the sum of its proper divisors (8742973).

13732740971 is an equidigital number, since it uses as much as digits as its factorization.

13732740971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742972.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 13732740971 in words is "thirteen billion, seven hundred thirty-two million, seven hundred forty thousand, nine hundred seventy-one".

Divisors: 1 1571 8741401 13732740971