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305146640046 = 23129739211853
BaseRepresentation
bin1000111000011000010…
…10000011011010101110
31002011122012020102122010
410130030022003122232
514444420014440141
6352103223302050
731021550433663
oct4341412033256
91064565212563
10305146640046
11108459361126
124b180baa926
1322a10180c51
1410aaa895a6a
157e0e42e416
hex470c2836ae

305146640046 has 16 divisors (see below), whose sum is σ = 610763837904. Its totient is φ = 101637120384.

The previous prime is 305146640017. The next prime is 305146640081. The reversal of 305146640046 is 640046641503.

It is a super-2 number, since 2×3051466400462 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305146639986 and 305146640013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19598145 + ... + 19613708.

It is an arithmetic number, because the mean of its divisors is an integer number (38172739869).

Almost surely, 2305146640046 is an apocalyptic number.

305146640046 is an abundant number, since it is smaller than the sum of its proper divisors (305617197858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305146640046 is a wasteful number, since it uses less digits than its factorization.

305146640046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39213155.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 305146640046 in words is "three hundred five billion, one hundred forty-six million, six hundred forty thousand, forty-six".

Divisors: 1 2 3 6 1297 2594 3891 7782 39211853 78423706 117635559 235271118 50857773341 101715546682 152573320023 305146640046