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67145148151 = 318369258809
BaseRepresentation
bin111110100010001010…
…011010011011110111
320102022110102221100221
4332202022122123313
52100003124220101
650502425315211
74564630225264
oct764212323367
9212273387327
1067145148151
112652675a684
121101a935b07
136440b537c3
14336d7d426b
151b2eb8daa1
hexfa229a6f7

67145148151 has 8 divisors (see below), whose sum is σ = 69319670400. Its totient is φ = 64971160320.

The previous prime is 67145148107. The next prime is 67145148157. The reversal of 67145148151 is 15184154176.

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 67145148151 - 213 = 67145139959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67145148098 and 67145148107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67145148157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130035 + ... + 388843.

It is an arithmetic number, because the mean of its divisors is an integer number (8664958800).

Almost surely, 267145148151 is an apocalyptic number.

67145148151 is a deficient number, since it is larger than the sum of its proper divisors (2174522249).

67145148151 is a wasteful number, since it uses less digits than its factorization.

67145148151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267209.

The product of its digits is 134400, while the sum is 43.

It can be divided in two parts, 67145 and 148151, that added together give a square (215296 = 4642).

The spelling of 67145148151 in words is "sixty-seven billion, one hundred forty-five million, one hundred forty-eight thousand, one hundred fifty-one".

Divisors: 1 31 8369 258809 259439 8023079 2165972521 67145148151