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13730020241 = 71961431463
BaseRepresentation
bin11001100100101111…
…10111101110010001
31022102212110021222012
430302113313232101
5211104341121431
610150225552305
7664146150350
oct146227675621
938385407865
1013730020241
115906269473
1227b21a5695
1313aa6c2342
149436b9997
155555a422b
hex3325f7b91

13730020241 has 4 divisors (see below), whose sum is σ = 15691451712. Its totient is φ = 11768588772.

The previous prime is 13730020211. The next prime is 13730020247. The reversal of 13730020241 is 14202003731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13730020241 - 214 = 13730003857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13730020247) 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, 980715725 + ... + 980715738.

It is an arithmetic number, because the mean of its divisors is an integer number (3922862928).

Almost surely, 213730020241 is an apocalyptic number.

It is an amenable number.

13730020241 is a deficient number, since it is larger than the sum of its proper divisors (1961431471).

13730020241 is an equidigital number, since it uses as much as digits as its factorization.

13730020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961431470.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 13730020241 its reverse (14202003731), we get a palindrome (27932023972).

The spelling of 13730020241 in words is "thirteen billion, seven hundred thirty million, twenty thousand, two hundred forty-one".

Divisors: 1 7 1961431463 13730020241