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305305214542431 = 31911013525981119
BaseRepresentation
bin100010101101011000110100…
…0110111000110001001011111
31111000222220010100001221110120
41011122301220313012021133
5310004110034410324211
63001155140155410023
7121210400554155315
oct10532615067061137
91430886110057416
10305305214542431
118930923a356184
122a2aa242753913
1310148209732b3c
145556bcbaac0b5
152546a51423d06
hex115ac68dc625f

305305214542431 has 16 divisors (see below), whose sum is σ = 409608849162240. Its totient is φ = 202271298738080.

The previous prime is 305305214542421. The next prime is 305305214542459. The reversal of 305305214542431 is 134245412503503.

It is a cyclic number.

It is not a de Polignac number, because 305305214542431 - 27 = 305305214542303 is a prime.

It is a super-2 number, since 2×3053052145424312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305305214542411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262410111 + ... + 263571008.

It is an arithmetic number, because the mean of its divisors is an integer number (25600553072640).

Almost surely, 2305305214542431 is an apocalyptic number.

305305214542431 is a deficient number, since it is larger than the sum of its proper divisors (104303634619809).

305305214542431 is a wasteful number, since it uses less digits than its factorization.

305305214542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525982326.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 305305214542431 in words is "three hundred five trillion, three hundred five billion, two hundred fourteen million, five hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 191 573 1013 3039 193483 580449 525981119 1577943357 100462393729 301387181187 532818873547 1598456620641 101768404847477 305305214542431