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309124612427 = 17101346951899
BaseRepresentation
bin1000111111110010100…
…00110100000101001011
31002112220102111100212112
410133321100310011023
520031041400044202
6354002045132535
731222252565051
oct4377120640513
91075812440775
10309124612427
1110a10a86a704
124bab125a14b
13231c535c367
1410d66d141d1
1580937a2b52
hex47f943414b

309124612427 has 16 divisors (see below), whose sum is σ = 330650748000. Its totient is φ = 287971622400.

The previous prime is 309124612409. The next prime is 309124612453. The reversal of 309124612427 is 724216421903.

It is not a de Polignac number, because 309124612427 - 28 = 309124612171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (309124612457) 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, 5930324 + ... + 5982222.

It is an arithmetic number, because the mean of its divisors is an integer number (20665671750).

Almost surely, 2309124612427 is an apocalyptic number.

309124612427 is a deficient number, since it is larger than the sum of its proper divisors (21526135573).

309124612427 is a wasteful number, since it uses less digits than its factorization.

309124612427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55486.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 309124612427 in words is "three hundred nine billion, one hundred twenty-four million, six hundred twelve thousand, four hundred twenty-seven".

Divisors: 1 17 101 1717 3469 51899 58973 350369 882283 5241799 5956273 89110583 180037631 3060639727 18183800731 309124612427