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13053462987 = 323189180623
BaseRepresentation
bin11000010100000110…
…00000100111001011
31020200201101121220010
430022003000213023
5203213141303422
65555141003003
7641322414255
oct141203004713
936621347803
1013053462987
115599380a44
1226436b3463
1313004a03c6
148bb8c4cd5
15515eb2b0c
hex30a0c09cb

13053462987 has 8 divisors (see below), whose sum is σ = 18161339904. Its totient is φ = 8323947368.

The previous prime is 13053462979. The next prime is 13053462997. The reversal of 13053462987 is 78926435031.

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 13053462987 - 23 = 13053462979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13053462997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94590243 + ... + 94590380.

It is an arithmetic number, because the mean of its divisors is an integer number (2270167488).

It is a 1-persistent number, because it is pandigital, but 2⋅13053462987 = 26106925974 is not.

Almost surely, 213053462987 is an apocalyptic number.

13053462987 is a deficient number, since it is larger than the sum of its proper divisors (5107876917).

13053462987 is a wasteful number, since it uses less digits than its factorization.

13053462987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189180649.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 13053462987 in words is "thirteen billion, fifty-three million, four hundred sixty-two thousand, nine hundred eighty-seven".

Divisors: 1 3 23 69 189180623 567541869 4351154329 13053462987