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13010455 = 513031997
BaseRepresentation
bin110001101000…
…011000010111
3220110222222201
4301220120113
511312313310
61142505331
7215405233
oct61503027
926428881
1013010455
117386a47
124435247
132906bc3
141a295c3
15121ee3a
hexc68617

13010455 has 8 divisors (see below), whose sum is σ = 15632352. Its totient is φ = 10395168.

The previous prime is 13010447. The next prime is 13010477. The reversal of 13010455 is 55401031.

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

It is a cyclic number.

It is not a de Polignac number, because 13010455 - 23 = 13010447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (1954044).

Almost surely, 213010455 is an apocalyptic number.

13010455 is a deficient number, since it is larger than the sum of its proper divisors (2621897).

13010455 is a wasteful number, since it uses less digits than its factorization.

13010455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13010455 is about 3607.0008317160. Note that the first 3 decimals coincide. The cubic root of 13010455 is about 235.1964857385.

Adding to 13010455 its reverse (55401031), we get a palindrome (68411486).

It can be divided in two parts, 130 and 10455, that added together give a triangular number (10585 = T145).

The spelling of 13010455 in words is "thirteen million, ten thousand, four hundred fifty-five".

Divisors: 1 5 1303 1997 6515 9985 2602091 13010455