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308245027089 = 31745713225427
BaseRepresentation
bin1000111110001001101…
…01011101100100010001
31002110122010101210121210
410133010311131210101
520022241211331324
6353334504410333
731161412333236
oct4370465354421
91073563353553
10308245027089
111097a931117a
124b8a67769a9
13230b5062a6c
1410cc218d78d
158041459d29
hex47c4d5d911

308245027089 has 16 divisors (see below), whose sum is σ = 436121713728. Its totient is φ = 192985416192.

The previous prime is 308245027033. The next prime is 308245027091. The reversal of 308245027089 is 980720542803.

It is not a de Polignac number, because 308245027089 - 28 = 308245026833 is a prime.

It is a super-3 number, since 3×3082450270893 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (308245029089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6589407 + ... + 6636020.

It is an arithmetic number, because the mean of its divisors is an integer number (27257607108).

Almost surely, 2308245027089 is an apocalyptic number.

It is an amenable number.

308245027089 is a deficient number, since it is larger than the sum of its proper divisors (127876686639).

308245027089 is a wasteful number, since it uses less digits than its factorization.

308245027089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225904.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 308245027089 in words is "three hundred eight billion, two hundred forty-five million, twenty-seven thousand, eighty-nine".

Divisors: 1 3 17 51 457 1371 7769 23307 13225427 39676281 224832259 674496777 6044020139 18132060417 102748342363 308245027089